Maybe you are using inband DTMF with a compressed codec. DTMF on a call
with any codec other than ulaw or alaw MUST use OOB DTMF like RFC2833 or
INFO.
On Fri, 2004-03-05 at 20:39, Barton Hodges wrote:
I'm having a problem with transferring a call that comes in a Zap
channel and is connected
I'm using SIP INFO and ulaw. It seems that the same thing happens
from SIP to SIP as well, regardless of what the DTMF setting is. The
actual problem is that the calling user can transfer, but the called
user cannot. I just tried the latest CVS snapshot and the v1.0 stable
branch and they both
What is your ACTUAL Dial line?
On Fri, 2004-03-05 at 21:19, Barton Hodges wrote:
I'm using SIP INFO and ulaw. It seems that the same thing happens
from SIP to SIP as well, regardless of what the DTMF setting is. The
actual problem is that the calling user can transfer, but the called
user
exten = s,10,Dial(${ARG1}/${DIALED},19,Ttm) which translates to
Dial(SIP/210-80f2, SIP/280|19|Ttm)
I believe the problem is related to the Grandstream HandyTone-286. A
caller can transfer, but a callee cannot. The problem does not exist
with a BT101 (1.0.4.23). I just tried all of the
