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integrating Aastra 44xx (4422) sets with Asterisk/Trixbox over SIP

mscag
Posts: 1
 Member Since:
2011-11-17
Submitted by mscag on Thu, 11/17/2011 - 2:17pm.

Hi,

Any one to succesfully integrate Aastra 44xx (4422) sets with Asterisk/Trixbox over SIP ? My sets can receive calls but when dialing other parties, even when the call is answered and the remote observes a connection, Aastra sets start showing BUSY and no voice transmission is available.

Thanks in advanced.

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