[asterisk-users] Aastra phones cannot transfer calls?

[Ernie Dunbar]

> On 16 February 2011 00:22, Ernie Dunbar <maillist at lightspeed.ca> wrote:
>>> 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.
>>
>>
>
> I also tried this with a 6757i and a 6753i with no problems (blind and
> attended) on Asterisk 1.6.2.16.1. Have you updated the handset
> firmware to 2.6.0.2010?
>

What SIP settings do you have in Asterisk?