[asterisk-users] Aastra phones cannot transfer calls?

[Ernie Dunbar]

> At 12:12 PM 2/15/2011, you wrote:
>>I have two Aastra phones, a 6730 and a 6757, both connected to Asterisk
>>v1.6.2.1. They can call each other's extensions (and make and receive
>>calls otherwise), but they cannot transfer calls, not even to outside
>
> I'm running 1.6.2.16.1 and have three Aastra 480i phones and have had
> no problem at all with transfers. Have you considered trying a newer
> version?
>

Nope. Upgraded to 1.6.2.16.1, and I still see the same effect.

It may be a setting on the phone or a SIP setting. I'll investigate this
elsewhere but report back about the solution.