Configure V.150 with Cisco Unified Communications Manager

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Updated:February 11, 2016

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Cisco V.150 Minimum Essential Requirements (MER)

Cisco V.150 Minimum Essential Requirements (MER)

V.150 Overview

The V.150 Minimum Essential Requirements feature allows you to make secure calls in a modem over IP network. The feature uses a dialup modem for large installed bases of modems and telephony devices operating on a traditional public switched telephone network (PSTN). The V.150.1 recommendation specifically defines how to relay data from modems and telephony devices on a PSTN into and out of an IP network through a modem. The V.150.1 is an ITU-T recommendation for using a modem over IP networks that support dialup modem calls.

The Cisco V.150.1 Minimum Essential Requirements feature complies with the requirements of the National Security Agency (NSA) SCIP-216 Minimum Essential Requirements (MER) for V.150.1 recommendation. The SCIP-216 recommendation has simplified the existing V.150.1 requirements.

Cisco V.150.1 MER feature supports the following interfaces:

  • Media Gateway Control Protocol(MGCP) T1(PRI and CAS) and E1(PRI) trunks

  • Session Initiation Protocol (SIP) trunks

  • Skinny Client Control Protocol (SCCP) for analog gateway endpoints

  • Secure Communication Interoperability Protocol-End Instruments (SCIP-EI)

Prerequisites for Cisco V.150.1 MER

Your system should already be set up with basic call control functionality. For instructions on how to set up the call control system, refer to the System Configuration Guide for Cisco Unified Communications Manager at http:/​/​www.cisco.com/​c/​en/​us/​td/​docs/​voice_ip_comm/​cucm/​admin/​11_0_1/​sysConfig/​CUCM_​BK_​C733E983_​00_​cucm-system-configuration-guide.html.

For Cisco Unified Communications Manager, you must have one of the following releases installed:
  • The minimum version is Release 10.5(2) SU3
  • For 11.0, the minimum version will be 11.0(1) SU2 available in Spring 2016
  • All releases from 11.5(1) on support this feature
  • You must have Cisco IOS Release 15.6(2)T or later.

V.150 is not supported with Media Termination Point (MTP). We recommend that you remove MTP from devices, trunks, and gateways that are handling V.150 calls.

Configure V.150 Task Flow

Complete these tasks to add V.150 support in Cisco Unified Communications Manager.

Procedure
     Command or ActionPurpose
    Step 1To Configure Media Resource Group Task Flow, perform the following subtasks:  

    Add Media Resource Group and Media Resource Group List for V.150 and non V.150 devices.

     
    Step 2Configure the Gateway for Cisco V.150 (MER)
     

    Add V.150 functionality to a gateway.

     
    Step 3Configure V.150 MGCP Gateway Port Interface
     

    If you want to use V.150 support across an MGCP gateway, add V.150 support to the port interface.

     
    Step 4Configure V.150 SCCP Gateway Port Interface
     

    If you want to use V.150 support across an SCCP gateway, add V.150 support to the port interface.

     
    Step 5Configure V.150 Support for Phone
     

    Add V.150 support to the phones that will be placing V.150 calls.

     
    Step 6To Configure SIP Trunk Task Flow, perform one or both of the following subtasks:  

    Add V.150 support to the SIP trunk that will be used for V.150 calls.

     

    Configure Media Resource Group Task Flow

    Complete these tasks to configure two sets of media resource groups: one media resource group with MTP resources for non-V.150 calls, and a media resource group without MTP resources for V.150 calls.

    Procedure
       Command or ActionPurpose
      Step 1Configure Media Resource Group for Non-V.150 Endpoints
       

      You can configure the Media Resource Group with MTP that you want to be used by non-V.150 endpoints.

       
      Step 2Configure a Media Resource Group List for Non-V.150 Endpoints
       

      Configure a Media Resource Group list that includes your MTP Media Resources for non-V.150 endpoints.

       
      Step 3Configure Media Resource Group for V.150 Endpoints
       

      Configure Media Resource Group without MTP resources for secure V.150 calls.

       
      Step 4Configure a Media Resource Group List for V.150 Endpoints
       

      Configure a Media Resource Group list for non-V.150 endpoints without MTP after adding the required resources in the Media Resource Group.

       

      Configure Media Resource Group for Non-V.150 Endpoints

      Use this procedure to add a new media resource group that includes MTP resources for non-V.150 endpoints.

      Procedure
        Step 1   From Cisco Unified CM Administration, choose Media Resources > Media Resource Group.
        Step 2   Click Add New.
        Step 3   In the Name field, enter the media resource group name as "Do not use with V.150 devices".
        Step 4   From the Available Media Resources field, choose only MTP devices and click the down-arrow key. The selected devices appear in the Selected Media Resources field.
        Step 5   Click Save.
        What to Do Next

        Configure a Media Resource Group List for Non-V.150 Endpoints

        Configure a Media Resource Group List for Non-V.150 Endpoints

        Use this procedure to add new media resource group list with MTP resources for non-V.150 end points.

        Before You Begin

        Configure Media Resource Group for Non-V.150 Endpoints

        Procedure
          Step 1   From Cisco Unified CM Administration, choose Media Resources > Media Resource Group List.
          Step 2   Click Add New.
          Step 3   In the Name field, enter a name for the media resource group list as " Non- V.150".
          Step 4   From the Available Media Resources field, choose the V.150 MER resource group named "Do not use with V.150 Devices" and click the down-arrow key. The selected devices appear in the Selected Media Resources field.
          Step 5   Click Save.

          Configure Media Resource Group for V.150 Endpoints

          Use this procedure to add new media resource group without MTP resources for V.150 devices.

          Procedure
            Step 1   From Cisco Unified CM Administration, choose Media Resources > Media Resource Group.
            Step 2   Click Add New.
            Step 3   In the Name field, enter the media resource group name as "For use with V.150 devices".
            Step 4   From the Available Media Resources field, choose multiple devices except the MTP resources and click the down-arrow key. The selected devices appear in the Selected Media Resources field.
            Step 5   Click Save.
            What to Do Next

            Configure a Media Resource Group List for V.150 Endpoints

            Configure a Media Resource Group List for V.150 Endpoints

            Use this procedure to add a media resource group list without MTP resources for V.150 devices.

            Before You Begin

            Configure Media Resource Group for V.150 Endpoints

            Procedure
              Step 1   From Cisco Unified CM Administration, choose Media Resources > Media Resource Group List.
              Step 2   Click Add New.
              Step 3   In the Name field, enter a name for the media resource group list as "V.150".
              Step 4   From the Available Media Resources field, choose the V.150 MER resource group named " For V.150 Devices" and click the down-arrow key. The selected media resource groups appear in the Selected Media Resources field.
              Step 5   Click Save.

              Configure the Gateway for Cisco V.150 (MER)

              Procedure
                Step 1   From Cisco Unified CM Administration, choose Device > Gateway.
                Step 2   Click Add New.
                Step 3   Choose the gateway from the Gateway Type drop-down list.
                Step 4   Click Next.
                Step 5   From the Protocol drop-down list, choose a protocol.
                Step 6   Depending on which Protocol you chose for the gateway, perform:
                • For MGCP, in the Domain Name field, enter the domain name that is configured on the gateway.
                • For SCCP, in the MAC Address (Last 10 Characters) field, enter the gateway MAC address.
                Step 7   From the Cisco Unified Communications Manager Group drop-down list, choose Default.
                Step 8   In the Configured Slots, VICs and Endpoints area, perform the following steps:
                1. From each Module drop-down list, select the slot that corresponds to the Network Interface Module hardware that is installed on the gateway.
                2. From each Subunit drop-down list, select the VIC that is installed on the gateway.
                3. Click Save. The port icons appear. Each port icon corresponds to an available port interface on the gateway. You can configure any port interface by clicking the corresponding port icon.
                Step 9   Complete the remaining fields in the Gateway Configuration window. See the online help for more information about the fields and their configuration options.
                Step 10   Click Save.
                What to Do Next

                Perform one of the following:

                Configure V.150 MGCP Gateway Port Interface

                Before You BeginConfigure the Gateway for Cisco V.150 (MER)
                Procedure
                  Step 1   From Cisco Unified CM Administration, choose Device > Gateway.
                  Step 2   Enter the appropriate search criteria to modify the settings for an existing gateway and click Find.
                  Step 3   In the Configured Slots, VICs, and Endpoints area, locate the module and subunit on which you want to configure a port for V.150 MER and click the corresponding port icon.
                  Step 4   From the Device Protocol drop-down list, choose Digital Access T1 or Digital Access PRI and click Next.
                  Note   

                  The Device Protocol drop-down list is displayed only if T1 port is selected in the Configured Slots, VICs, and Endpoints area.

                  The Gateway Configuration window now displays the port interface configuration.

                  Step 5   Select the Media Resource Group List named "V.150".
                  Step 6   Check the V150 (subset) check box.
                  Step 7   Configure the remaining fields, if applicable. See the online help for more information about the fields and their configuration options.
                  Step 8   Click Save.
                  Step 9   Optional. If you want to configure additional port interfaces for the gateway, from the Related Links drop-down list, choose Back to MGCP Configuration and click Go. You can select a different port interface

                  Configure V.150 SCCP Gateway Port Interface

                  Before You BeginConfigure the Gateway for Cisco V.150 (MER)
                  Procedure
                    Step 1   From Cisco Unified CM Administration, choose Device > Gateway.
                    Step 2   Enter the appropriate search criteria to modify the settings for an existing SCCP gateway and click Find.
                    Step 3   In the Configured Slots, VICs, and Endpoints area, locate the module and subunit on which you want to configure a port for V.150 MER and click the corresponding port icon.
                    Step 4   Select the Media Resource Group List named "V.150".
                    Step 5   In the Product Specific Configuration Layout area, if the Latent Capability Registration Setting drop-down list appears, select Modem Relay or Modem Relay and Passthrough.
                    Step 6   Configure the remaining fields, if applicable. See the online help for more information about the fields and their configuration options.
                    Step 7   Click Save.

                    Configure V.150 Support for Phone

                    Use this procedure to add V.150 support for a phone. The following phone types support V.150:

                    • Cisco 7960—Third party SCCP end point registered as Cisco 7960

                    • Cisco 7961G-GE—Third party SCCP end point registered as Cisco 7961G-GE

                    • Third Party AS-SIP Endpoints

                    Before You Begin

                    Ensure to create an End User with the User ID same as the intended phone number.

                    Ensure to configure the Digest Credentials field in the End User Configuration window for Third Party AS-SIP SIP endpoints.

                    For more information on how to configure a new End User, see the "Provision End Users Manually" chapter in the System Configuration Guide for Cisco Unified Communications Manager at http:/​/​www.cisco.com/​c/​en/​us/​support/​unified-communications/​unified-communications-manager-callmanager/​products-installation-and-configuration-guides-list.html

                    Procedure
                      Step 1   From Cisco Unified CM Administration, choose Device > Phone.
                      Step 2   Perform either of the following steps:
                      • To configure V.150 on an existing phone, click Find and select the phone.

                      • To configure a new phone for V.150, click Add New.

                      Step 3   From the Phone Type drop-down list, select one of the phone types that supports V.150, and click Next.
                      Step 4   For third party SCCP endpoints registered as Cisco 7960 or Cisco 7961G-GE. From the Device Protocol drop-down list, select SCCP and click Next.
                      Step 5   From the Media Resource Group List drop-down menu, select V.150.
                      Step 6   Third Party AS-SIP SIP endpoints only. Configure the following fields:
                      • From the Digest User drop-down select the end user for this phone. The end user will be used for digest authentication.

                      • Leave the Media Termination Point Required check box unchecked.

                      • Check the Early Offer support for voice and video calls check box.
                      Step 7   Click Save. A message window to Apply Config is displayed.
                      Step 8   Click Apply Config.
                      Step 9   Click OK.

                      Configure SIP Trunk Task Flow

                      Procedure
                         Command or ActionPurpose
                        Step 1Configure SIP Profile for V.150
                         

                        Configure a SIP Profile with SIP Best Effort Early Offer support for the SIP trunk.

                         
                        Step 2Set the Clusterwide V.150 Filter
                         

                        Optional. Configure a clusterwide default setting for SIP V.150 SDP Offer Filtering.

                         
                        Step 3Add V.150 Filter to SIP Trunk Security Profile
                         

                        Configure a V.150 Filter within a SIP Trunk Security Profile that you can assign to specific SIP trunks.

                         
                        Step 4Configure SIP Trunk for V.150
                         

                        Configure V.150 support for the SIP trunks that will handle V.150 calls.

                         

                        Configure SIP Profile for V.150

                        Use this procedure to configure a SIP Profile with SIP Best Effort Early Offer support for the SIP trunk.

                        Procedure
                          Step 1   In Cisco Unified CM Administration, choose Device > Device Settings > SIP Profile .
                          Step 2   Perform either of the following steps:
                          • To create a new profile, click Add New.
                          • To select an existing profile, click Find and select a SIP profile.
                          Step 3   In the Name field, enter the SIP name for V.150.
                          Step 4   In the Description field, enter the description for V.150.
                          Step 5   From the Early Offer Support for Voice and video class drop-down list, choose Select Best Effort (no MTP inserted).
                          Step 6   Enter any other configuration settings that you want. See the online help for more information about the fields and their configuration options.
                          Step 7   Click Save.

                          Set the Clusterwide V.150 Filter

                          Use this procedure to configure a clusterwide default setting for SIP V.150 SDP Offer filtering.

                          Note

                          If you configure a SIP V.150 SDP Offer Filtering value within a SIP Trunk Security Profile that is different than the clusterwide service parameter setting, the security profile setting overrides the cluster-wide service parameter setting for the trunks that use that security profile.

                          Procedure
                            Step 1   From Cisco Unified CM Administration, choose System > Service Parameters.
                            Step 2   From the Server drop-down list, choose an active server.
                            Step 3   From the Service drop-down list, choose Cisco CallManager.
                            Step 4   In the Clusterwide Parameters ( Device- SIP) section, configure a value for the SIP V.150 SDP Offer Filtering service parameter.
                            Step 5   Choose SIP V.150 SDP Offer Filtering from the drop-down list.
                            Step 6   Specify the desired filtering action.
                            Step 7   Click Save.
                            What to Do Next

                            Add V.150 Filter to SIP Trunk Security Profile

                            Add V.150 Filter to SIP Trunk Security Profile

                            Use this procedure to assign a V.150 Filter within a SIP Trunk Security Profile.


                            Note

                            If you configure a SIP V.150 SDP Offer Filtering value within a SIP Trunk Security Profile that is different than the clusterwide service parameter, the security profile setting overrides the cluster-wide service parameter setting for the trunks that use that security profile.

                            Before You Begin

                            Set the Clusterwide V.150 Filter

                            Procedure
                              Step 1   From Cisco Unified CM Administration, choose System > Security > SIP Trunk Security Profile.
                              Step 2   Perform one of the following tasks:
                              • To modify the settings for an existing SIP Trunk Security Profile, enter search criteria, click Find, and choose an existing profile from the list.
                              • To add a new SIP Trunk Security Profile, click Add New.
                              Step 3   Configure a value for the SIP V.150 Outbound SDP Offer Filtering drop-down list.
                              Note   

                              The default setting is to use the value of the SIP V.150 Outbound SDP Offer Filtering cluster-wide service parameter.

                              Step 4   Configure any remaining fields in the SIP Trunk Security Profile Configuration window. See the online help for more information about the fields and their configuration options.
                              Step 5   Click Save.
                              What to Do Next

                              Configure SIP Trunk for V.150

                              Configure SIP Trunk for V.150

                              Use this procedure to configure settings for a SIP trunk.

                              Before You Begin

                              Add V.150 Filter to SIP Trunk Security Profile

                              Procedure
                                Step 1   From Cisco Unified CM Administration, choose Device > Trunk.
                                Step 2   Perform either of the following steps:
                                • To create a new profile, click Add New.
                                • To select an existing trunk, click Find and select a SIP trunk.
                                Step 3   For new trunks, do the following:
                                • From the Trunk Type drop-down list, choose SIP Trunk.
                                • From the Protocol Type drop-down list, choose SIP.
                                • From the Trunk Service Type drop-down list, choose None(Default).
                                • Click Next.
                                Step 4   Enter the SIP trunk name in the Name field.
                                Step 5   Enter the SIP trunk description in the Description field.
                                Step 6   From the Media Resource Group List drop-down list, choose the Media resource group list named "V.150".
                                Step 7   Configure the destination address for the SIP trunk:
                                1. In the Destination Address text box, enter an IPv4 address, fully qualified domain name, or DNS SRV record for the server or endpoint that you want to connect to the trunk.
                                2. If the destination is a DNS SRV record, check the Destination Address is an SRV check box.
                                3. To add additional destinations, click the (+) button. You can add up to 16 destinations for a SIP trunk.
                                Step 8   From the SIP Trunk Security Profile drop-down list, assign the SIP trunk security profile that you configured for this trunk.
                                Step 9   From the SIP Profile drop-down list, assign the SIP profile that you set up with the Best Effort Early Offer setting.
                                Step 10   Leave the Media Termination Point Required check box unchecked.
                                Step 11   Configure any additional fields in the Trunk Configuration window. See the online help for more information about the fields and their configuration options.
                                Step 12   Click Save.

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