Best Avaya IP Phones with SIP VoIP Signaling Protocol

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Avaya 9610

$105.00 Est. at Amazon

Positives: Codec: G.711,G.722,G.729AB, Networking Connectivity: 1 x RJ 45 - 10/100 Base-TX (Ethernet), Type: IP Phone, VoIP Signaling Protocol: H.323,SIP

2 RECOMMENDED by 0 people for OVERALL

Avaya 9630

$215.00 Est. at Amazon

Positives: Codec: G.722, Additional Features: Speaker, Type: IP Phone, VoIP Signaling Protocol: H.323,SIP

3 RECOMMENDED by 0 people for OVERALL

Avaya 4621S

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Positives: Protocol: UDP,DHCP, Codec: G.711,G.168 (Echo Cancellation),G.729AB, Networking Connectivity: 2 x RJ 45 - 10/100 Base-TX (Ethernet), Power over LAN / IEEE 802.3 af / PoE