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VoIP phone with caller ID - SIP v2, RTP - 2 lines
Main Specifications | |
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Product Description | Digium A20 - VoIP phone with caller ID - 3-way call capability |
Product Type | VoIP phone with caller ID |
Main Features | Integrated Ethernet switch |
VoIP Protocols | SIP v2, RTP |
Voice Codecs | G.711, G.722, G.729a, G.726, iLBC, Opus |
Lines Supported | 2 lines |
Speakerphone | Yes |
Call Services | Voice Mail, Caller ID, Call Waiting, Call Forwarding, Call Transfer, Call Hold |
Display | LCD display - color - Yes |
Network Ports Qty | 2 x Ethernet 10Base-T/100Base-TX |
Manufacturer Warranty | 1-year warranty |
General | |
Product Type | VoIP phone |
Shipping Weight | 31.6 oz |
Manufacturer Warranty | |
Service & Support | Limited warranty - 1 year |
Miscellaneous | |
Connections | 2 x handset jack / RJ-9 ¦ Electronic hook switch (EHS) |
Hearing Aid Compatible | Yes |
Display | |
Type | LCD display - color |
Display Location | Base |
Diagonal Size | 2.8" |
Backlit | Yes |
Phone Features | |
Call Services | Voice Mail, Caller ID, Call Waiting, Call Forwarding, Call Transfer, Call Hold |
Caller ID Type | Caller ID |
Dialer Location | Base |
Conference Call Capability | 3-way |
Speakerphone | Yes |
Volume Control | Yes |
Indicators | Voice message waiting indicator |
Additional Functions | Call timer, Intercom |
Dimensions & Weight (Shipping) | |
Shipping Width | 10 in |
Shipping Depth | 3.1 in |
Shipping Height | 2.8 in |
Shipping Weight | 31.6 oz |
IP Telephony | |
Main Features | Integrated Ethernet switch |
VoIP | Yes |
VoIP Protocols | SIP v2, RTP |
Voice Codecs | G.711, G.722, G.729a, G.726, iLBC, Opus |
Lines Supported | 2 lines |
Quality of Service | Diffserv per device (QoS) |
IP Address Assignment | DHCP, static |
Power Over Ethernet (PoE) Support | Yes |
Network Protocols | TCP, UDP, Link Layer Discovery Protocol (LLDP), NTP |
Network Ports Qty | 2 x Ethernet 10Base-T/100Base-TX |
Voice Features | HD Voice, acoustic echo cancellation (AEC) |
Network Features | Network Address Translation (NAT) |