Hi!
I'm having an interesting problem with Cisco7970 SIP load (8.0(2)SR1) -
the phone seems to work otherwise fine, but I can't do an assisted
transfer (and the 7970 phone also doesn't seem to support the BlindXFer
option that previous models have had). Phones are connected to Asterisk
1.2.10.
What happens is this: User a calls to my phone. I press "Transfer" on the
phone, I then place another call to another extension. When this new call
is connected, pressing the "Transfer" -button again sends 2 SIP INVITE
messages (and asterisk acks them with seemingly appropriate "OK"
messages). But.. After getting the acks, phone just says "Unable to
complete transfer" and both current calls are placed on hold.
Has anybody else seen this? Any ideas on how to fix? The same
configuration works with Cisco 7960 (using some pretty ancient SIP load).
I've also thought about upgrading the phone to 8.0(3) release of the SIP
load, but atleast voip-info.org wiki states it as a "total disaster" - can
anybody confirm if it's really a disaster?
As a related note, I'm also not seeing MWI with the 7970 phone - when
Asterisk sends the MWI status message to phone, Asterisk immediatetly
barfs out -- Got SIP response 400 "Bad Request" back from xxx. Does
anybody know if this is a bug on the phone and maybe fixed on a later
image? (and is there any workaround I can enable on asterisk to overcome
this)
Also, a small UI thing - has anybody found a way to get the # -key to
directly dial the number which has been inputted and mimic the behaviour
7960s had? Our users are accustomed to keying in 123# instead of pressing
123 + "dial"..
-- juhas
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