[asterisk-users] Remote Attended Transfer

[David Pinedo]

Hello,

I'm trying to find more information about this Remote Attended Transfers,
as is explained in
https://wiki.asterisk.org/wiki/display/AST/res_pjsip+Remote+Attended+Transfers
for Asterisk 12 using pjsip stack

Was Remote Attended Transfer implemented in previous versions of Asterisk
(versions without PJSIP, Asterisk 11 and previous)?

Where can I find configuration examples to do it work with the last version
of Asterisk (Asterisk 13)?

I have try the following configuration without success:
2 phones and Asterisk 13 are registered in an OpenSIPS
Phone1 calls Phone2
Phone1 calls Asterisk 13
Phone1 transfers call in Asterisk 13 to Phone 2
But the transfer fails with an "NOTIFY 400 Bad Request". In Asterisk log I
don't see any reference to "external_replaces" extension when the REFER
arrives

pjsip.conf

[simpletrans]
type=transport
protocol=udp
bind=0.0.0.0

[mytrunk]
type=registration
transport=simpletrans
outbound_auth=mytrunk
server_uri=sip:111 at 89.1.23.217:5060
client_uri=sip:111 at 89.1.23.217:5060

[mytrunk]
type=auth
auth_type=userpass
password=111
username=111

[mytrunk]
type=aor
contact=sip:89.1.23.217:5060

[mytrunk]
type=endpoint
transport=simpletrans
context=bucle-weasels
disallow=all
allow=ulaw
outbound_auth=mytrunk
aors=mytrunk

[mytrunk]
type=identify
endpoint=mytrunk
match=89.1.23.217

extensions.conf

[transferencia]
exten => external_replaces,1,NoOp()
      same => n,Dial(PJSIP/${SIPREFERTOHDR}@89.1.23.217)

[bucle-weasels]
exten => _.,1,Answer
exten => _.,n,Wait(1)
exten => _.,n,Set(TRANSFER_CONTEXT=transferencia)
exten => _.,n,Playback(tt-weasels)
exten => _.,n,Goto(2)
exten => _.,n,Hangup

Thank you in advance for your help

David Pinedo
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