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VoIP phone - SIP, SIP v2 - 12 lines
Main Specifications | |
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Product Description | Yealink SIP-T42S - VoIP phone - 3-way call capability |
Product Type | VoIP phone |
Main Features | Multiple VoIP protocol support, integrated Ethernet switch |
VoIP Protocols | SIP, SIP v2 |
Voice Codecs | G.722, G.723, G.729ab, G.711u, G.711a, G.726, iLBC, Opus |
Lines Supported | 12 lines |
Speakerphone | Yes |
Call Services | Voice Mail, Caller ID, Call Waiting, Call Forwarding, Call Transfer, Call Hold |
Display | LCD display - monochrome - Yes |
Network Ports Qty | 2 x Ethernet 10Base-T/100Base-TX/1000Base-T |
General | |
Product Type | VoIP phone |
Miscellaneous | |
Connections | Headset jack / RJ-9 ¦ Handset jack / RJ-9 ¦ USB ¦ Electronic hook switch (EHS) / RJ-12 ¦ Network / RJ-45 |
Placing / Mounting | Wall-mountable, table-top |
Display | |
Type | LCD display - monochrome |
Display Location | Base |
Diagonal Size | 2.7" |
Display Resolution | 192 x 64 pixels |
Backlit | Yes |
Phone Features | |
Call Services | Voice Mail, Caller ID, Call Waiting, Call Forwarding, Call Transfer, Call Hold |
Dialer Type | Keypad |
Dialer Location | Base |
Conference Call Capability | 3-way |
Speakerphone | Yes |
Menu Operation | Yes |
Indicators | Visual ringer light, voice message waiting indicator, speakerphone indicator, headset, mute indicator |
Additional Functions | Built-in clock, call recording, Intercom |
Dimensions & Weight (Base) | |
Width | 8.3 in |
Depth | 7.4 in |
Height | 6.9 in |
Phone Memory | |
Phone Directory Capacity | 1000 names & numbers |
IP Telephony | |
Main Features | Multiple VoIP protocol support, integrated Ethernet switch |
VoIP | Yes |
VoIP Protocols | SIP, SIP v2 |
Voice Codecs | G.722, G.723, G.729ab, G.711u, G.711a, G.726, iLBC, Opus |
Lines Supported | 12 lines |
Quality of Service | IEEE 802.1Q (VLAN), Differentiated Services (DiffServ), IEEE 802.1p, Type of Service (ToS) |
IP Address Assignment | DHCP, static |
Security | IEEE 802.1X |
Power Over Ethernet (PoE) Support | Yes |
Network Protocols | IP, TCP, TFTP, UDP, HTTP, DNS, HTTPS, SRTP, TR-069, SNTP |
Network Ports Qty | 2 x Ethernet 10Base-T/100Base-TX/1000Base-T |
Voice Features | Comfort noise generation (CNG), voice activity detection (VAD), HD Voice, acoustic echo cancellation (AEC), packet loss concealment (PLC), adaptive jitter buffer (AJB), automatic gain control (AGC) |
Network Features | Network Address Translation (NAT), Class 2 PoE, Lightweight Directory Access Protocol (LDAP) |