| General | | Product ID | SPA301 | SPA303 | | Product Type | VoIP phone | VoIP phone | | Body Color | dark gray | Silver, dark gray | | Body Material | ABS plastic | ABS plastic | | Phone Features | | Cordless Phone Standard | N/A | N/A | | Key Expansion Module Max Qty | 0 | 0 | | Dialer Type | Keypad | Keypad | | Dialer Location | Base | Base | | Conference Call Capability | 3-way | 3-way | | Intercom | Yes | Yes | | Speakerphone | No | Yes ( digital duplex ) | | Caller ID | N/A | Yes | | Automatic Redial | Yes | Yes | | Voice Mail Capability | Yes | Yes | | Call Waiting | Yes | Yes | | Call Forwarding | Yes | Yes | | Call Transfer | Yes | Yes | | Call Hold | Yes | Yes | | Menu Operation | N/A | Yes | | Function Buttons | Flash and Redial button | Conference button, speakerphone button, transfer button, headset button , mute button, hold button, redial button | | Programmable Buttons Qty | N/A | 3 | | Volume Control | Yes | Yes | | Ringer Control | Yes | Yes | | Indicators | Voice message waiting indicator | Voice message waiting indicator, speakerphone indicator, headset | | Firmware Upgradable | Yes | Yes | | Additional Functions | Pager call | Call timer, built-in clock, pager call | | Additional Features | On-hook dialing, music on hold, built-in web server | On-hook dialing, music on hold, built-in web server | | IP Telephony | | Main Features | Basic Single Line Phone | Multiple VoIP protocol support, integrated Ethernet switch, Power over Ethernet (PoE) support | | VoIP Protocols | SIP, SIP v2, SPCP | SIP, SIP v2, SPCP | | Voice Codecs | G.722, G.729a, G.711u, G.711a, G.726 | G.722, G.729a, G.711u, G.711a, G.726 | | Lines Supported | Single-Line | 4 Lines | | Quality of Service | IEEE 802.1Q (VLAN), Differentiated Services (DiffServ), IEEE 802.1p, Type of Service (ToS) | IEEE 802.1Q (VLAN), Differentiated Services (DiffServ), IEEE 802.1p, Type of Service (ToS) | | IP Address Assignment | DHCP | DHCP | | Security | 256 bit AES | 256 bit AES | | Network Protocols | IP, TCP, TFTP, UDP, ICMP, ARP, HTTP, DNS, HTTPS | IP, TCP, TFTP, UDP, ICMP, ARP, HTTP, DNS, HTTPS | | Network Ports Qty | 1 x Ethernet 10Base-T/100Base-TX | 2 x Ethernet 10Base-T/100Base-TX | | Voice Features | Comfort noise generation (CNG), voice activity detection (VAD), HD Voice | Comfort noise generation (CNG), voice activity detection (VAD), HD Voice | | Network Features | Network Address Translation (NAT) | Network Address Translation (NAT) | | Phone Memory | | Phone Directory Capacity | N/A | 100 names & numbers | | Call Log Capacity | 60 numbers | 60 numbers each, missed, placed, received | | Display | | Diagonal Size | N/A | 3.0 inch Monochrome 128x63 resolution | | Type | N/A | LCD display - monochrome | | Display Location | N/A | Base | | Display Resolution | N/A | 128 x 64 pixels | | Features | N/A | Non-Backlit | | Miscellaneous | | Included Accessories | 5V/1A Power Adaptor | 5V/1A Power Adaptor, Stand | | Hearing Aid Compatible | Yes | Yes | | Connections | N/A | 1 x headset jack / sub-mini-phone 2.5 mm | | Cables Included | Network cable | Network cable | | Compliant Standards | UL, C-Tick, CB, FCC Part 15 B, A-Tick | UL, C-Tick, CB, FCC Part 15 B, A-Tick | | Dimensions & Weight (Base) | | Width | 7.8 in | 8.7 in | | Depth | 1.7 in | 1.2 in | | Height | 3.8 in | 7.8 in | | Weight | 1.2 lbs | 1.6 lbs | | Manufacturer Warranty | | Manufacturer Warranty | 1 year warranty | 1 year warranty | | 1 year warranty | 1 year warranty | | Limited warranty - 1 year | Limited warranty - 1 year | | Designed For | | Designed For | 3rd Party Call Controllers and Cisco Small Business Pro Unified Communications 320 and 500 | 3rd Party Call Controllers and Cisco Small Business Pro Unified Communications 320 and 500 |
|
