The 9630G [20] and the 9640G phones have advanced features and the 9630 can handle up to 24 lines. [21] If choosing a wired headset, you'll see the compatible adapter that will also be needed. For wireless, you can add the optional compatible accessory ( DHS13 or D632) to enable remote call answering ( most customers add this accessory) All of these phone models are designated as Class 1 PoE devices typically only drawing between 2.2 and 2.7 watts. [24] [25] This low power consumption decreases the total cost of ownership. [26] [27] All of the phones except for the 9601 can run firmware that allows communications over the H.323, or SIP protocols.

Hochmuth, Phil (June 8, 2006). "Avaya bolsters IP phone line". Network World Inc./ IDG . Retrieved 18 August 2011.

Avaya 9608 IP FAQ

A: Being that there's so many different phones available, headset manufacturers have to make various different cables, depending which model of phone you're connecting to.

Electronic Hook Switch: Otherwise known as an EHS cable, this accessory connects from a wireless headset charging base to your Avaya phone. Allowing you to answer/end calls when away from your phone. Stevenson, Ted (March 6, 2009). "IP Phone Innovations from Avaya". Enterprise VoIP Planet . Retrieved 27 August 2011. Clark, Matthew (July 17, 2011). "VPN Remote Phone – Using Avaya 9600 Series". The IT Career. Archived from the original on 2011-09-04 . Retrieved 27 August 2011. The 9608 phone is an eight-line phone with directory and speed dial functions, with a monochrome display and four programmable keys. The device also supports Bluetooth headsets. Green, Tim (August 22, 2006). "Avaya IP phones to support Cisco, Juniper gateways". Network World Inc./ IDG . Retrieved 27 August 2011.Musich, Paula (June 8, 2006). "Avaya Ups the IP Phone Ante". eWeek Ziff Davis . Retrieved 18 August 2011. The 9601 is a Session Initiation Protocol (SIP) only phone for use with SIP Voice over Internet Protocol (VoIP) systems. SIP". M2 Presswire HighBeam Research. September 28, 2007 . Retrieved 27 August 2011. new features including extensive support for Session Initiation Protocol (SIP), the de facto standard protocol for Voice over IP (VoIP) [ dead link]

Avaya one-X™ Deskphone Edition for 9600 Series IP Telephones Administrator Guide Release 1.5" (4). Avaya. May 2007: 12. Release 1.5 adds two telephones, the 9630G and 9640G, to the 9600 series. Both models provide built-in Gigabyte Ethernet (GigE) support, but are otherwise identical to their 9630 and 9640 counterparts. {{ cite journal}}: Cite journal requires |journal= ( help) Smithers, Rob; Aun, Fred; Colmenares, Juan (September 8, 2008). "Avaya offers wide array of unified communications wares". Network World . Retrieved 20 August 2011.

IMTC Experts Group Advances SIP Video Definitions to Facilitate Seamless Integration Into Broader Communications Platforms". Business Wire HighBeam Research. February 2, 2010. Archived from the original on September 4, 2011 . Retrieved 27 August 2011. Working Group of Leading Communications Companies Chooses SIP as De Facto Standard, Aligning Video Communications With IP Telephony, Unified Communications and IMS Architecture Avaya Government Solutions Secure TSG-Certified IP Phone" (PDF). Avaya Government Solutions . Retrieved 26 July 2011. Doherty, Sean (June 8, 2006). "Avaya's 9600 Series One-X IP Phones". Network Computing UBM plc . Retrieved 18 August 2011. Direct Connect Cable: This cable connects from your Avaya headset to the headset port of your Avaya phone.

Lawson, Stephen (March 8, 2007). "Avaya adds IP phones, gateways, SIP". InfoWorld . Retrieved 20 August 2011.Wilson, Tim (October 2010). "Avaya's competitive advantage: the IP phone power bill" (PDF). The Authoritative Journal of Business Telecommunications. TeleManagement (279): 12. ISSN 1712-6738. Archived from the original (PDF) on 2011-09-04 . Retrieved 17 August 2011.