The Adtran IP 712 is a SIP based IP phone. This programmable phone features a large backlit screen, twelve programmable buttons, four soft keys, a navigation button group, 10 fixed feature keys and a wealth of other features. A full duplex speakerphone has been built into the phone to support handsfree calling. In addition, a headset jack is included in the back of the phone. |
| When most people talk about a SIP phones they are generally talking about an on-premises phone system, similar to ISDN lines but with a capability to use the internet. There are many advantages of using SIP phones such as higher call quality, better reporting, more control with an in-house system, lower lifetime costs, etc. Pulled from a working environment, the only thing you may need are a few handset cords. They are all there, just stretched. |