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Supply Of procurement of sip ip phone with open source based compatible with dual 10/100/1000 mbps ethernet port, sip/ voip accounts, full duplex hands free speaker-phone, sip v1 (rfc2543), v2(rfc3261), volume adjustment, ring tone selection, headset, , ipv4 / ipv6, codec - g.722, g711, g.723.1, g.729, g729a, g.726, ilbc, caller id, call forward, call transfer, hotline, speed dialing, busy tone detection, 5-way conferencing, mute button etc. , sip ip phone with open source based compatible with dual 10/100/1000 mbps ethernet port, sip/ voip accounts, full duplex hands free speaker-phone, sip v1 (rfc2543), v2(rfc3261), volu me adjustment, ring tone selection, headset, , ipv4 / ipv6, codec - g.722, g711, g.723.1, g.729, g729 a, g.726, ilbc, caller id, call forward, call transfer, hotline, speed dialing, busy tone detection, 5-way conferencing, mute button etc. [ warranty period: 30 months after the date of delivery ] ]
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