Hi John,
yes I tried to do "remove" and "update" of the Diversion header but I
get "No headers had been previously added to this session" error. As you
can see from the configuration and logs below I can successfully add
another From: header and make update to that additional From header.
I previously missed to notice change in the domain part of SIP URI in
Diversion header. Phone sets Diversion header to "836@10.201.1.19" and
Asterisk makes change in domain part of Diversion hdr in INVITE message
to "192.168.1.101". This server has two network interfaces and
192.168.1.101 is set on eth0. So, Asterisk makes a change to Diversion
header but not the one set by PJSIP_HEADER function.
Davor
#1 Phone -> Asterisk
U 10.201.8.192:5060 -> 10.201.1.19:5060
SIP/2.0 302 Moved Temporarily.
Diversion: <sip:836@10.201.1.19>;reason=unconditional.
Server: Linksys/SPA922-6.1.5(a).
Content-Length: 0.
#2 Asterisk -> TSP provider
U 10.201.1.19:5060 -> 10.201.1.15:5060
INVITE sip:0123456789@10.201.1.15:5060 SIP/2.0.
From: <sip:527@192.168.1.101>;tag=629ca252-0930-404b-9f58-f921ed264ebf.
From: Update to From Header.
CustomOne:
<sip:custom_...@example.com>;reason=unconditional;screen=yes;privacy=off).
CustomTwo:
<sip:custom_...@example.com>;reason=unconditional;screen=yes;privacy=off).
Diversion: <sip:836@192.168.1.101>;reason=unconditional.
[add_diversion]
exten => FWDdiver,1,Set(PJSIP_HEADER(remove,Diversion)=)
exten => FWDdiver,2,Set(PJSIP_HEADER(update,Diversion)=new_diversion_update)
exten => FWDdiver,3,Set(PJSIP_HEADER(add,From)=Another From Header)
exten =>
FWDdiver,4,Set(PJSIP_HEADER(add,Diversion)=<sip:new_divers...@example.com>\;reason=unconditional\;screen=yes\;privacy=off))
exten =>
FWDdiver,5,Set(PJSIP_HEADER(add,CustomOne)=<sip:custom_...@example.com>\;reason=unconditional\;screen=yes\;privacy=off))
exten =>
FWDdiver,6,Set(PJSIP_HEADER(add,CustomTwo)=<sip:custom_...@example.com>\;reason=unconditional\;screen=yes\;privacy=off))
exten => FWDdiver,7,Set(PJSIP_HEADER(update,From)=Update to From Header)
exten => FWDdiver,8,Return()
Asterisk*CLI>
-- Executing [FWDdiver@add_diversion:4] Set("PJSIP/SBC1-0000003a",
"PJSIP_HEADER(remove,Diversion)=") in new stack
[Dec 11 14:10:05] ERROR[4426]: res_pjsip_header_funcs.c:410
remove_header: No headers had been previously added to this session.
-- Executing [FWDdiver@add_diversion:5] Set("PJSIP/SBC1-0000003a",
"PJSIP_HEADER(update,Diversion)=new_diversion_update") in new stack
[Dec 11 14:10:05] ERROR[4426]: res_pjsip_header_funcs.c:373
update_header: No headers had been previously added to this session.
-- Executing [FWDdiver@add_diversion:6] Set("PJSIP/SBC1-0000003a",
"PJSIP_HEADER(add,From)=Another From Header") in new stack
-- Executing [FWDdiver@add_diversion:7] Set("PJSIP/SBC1-0000003a",
"PJSIP_HEADER(add,Diversion)=<sip:new_divers...@example.com>;reason=unconditional;screen=yes;privacy=off)")
in new stack
-- Executing [FWDdiver@add_diversion:8] Set("PJSIP/SBC1-0000003a",
"PJSIP_HEADER(add,CustomOne)=<sip:custom_...@example.com>;reason=unconditional;screen=yes;privacy=off)")
in new stack
-- Executing [FWDdiver@add_diversion:9] Set("PJSIP/SBC1-0000003a",
"PJSIP_HEADER(add,CustomTwo)=<sip:custom_...@example.com>;reason=unconditional;screen=yes;privacy=off)")
in new stack
-- Executing [FWDdiver@add_diversion:10] Set("PJSIP/SBC1-0000003a",
"PJSIP_HEADER(update,From)=Update to From Header") in new stack
-- Executing [FWDdiver@add_diversion:11]
Return("PJSIP/SBC1-0000003a", "") in new stack
On 10.12.2018. 18:23, John Kiniston wrote:
Davor,
Have you attempted to do a Set(PJSIP_HEADER(remove,Diversion)=)) in your
add_diversion context to remove the header Asterisk is passing through?
On Mon, Dec 10, 2018 at 3:04 AM Davor Jovanovic <davor.jovano...@srce.hr
<mailto:davor.jovano...@srce.hr>> wrote:
Hi all,
I’m trying to rewrite Diversion header when call forwarding is done on
the phone. The phone sends "302 Moved Temporarily" response and sets
Diversion header to a local number, but before Asterisk sends this call
towards TSP provider I need to change Diversion header to a full PSTN
number. I am using PJSIP_HEADER in a pre-dial handler (configuration is
below). On the same call I can add some other custom headers (logs are
below).
Is there any chance I can rewrite Diversion header in this scenario
with
PJSIP_HEADER function? Asterisk version is 16.0.1 built from source on
Debian 9.
Thank you
Davor
# Outgoing context - TSP provider
[outgoing]
exten =>
0123456789,1,Dial(PJSIP/${EXTEN}@${SBC_1},,b(add_diversion^FWDdiver^1))
same => n,Hangup()
# Diversion manipulation context
[add_diversion]
exten =>
FWDdiver,1,Set(PJSIP_HEADER(add,Diversion)=<sip:full_pstn...@example.com
<mailto:sip%3afull_pstn...@example.com>>\;reason=unconditional\;screen=yes\;privacy=off))
exten =>
FWDdiver,2,Set(PJSIP_HEADER(add,CustomOne)=<sip:custom_...@example.com
<mailto:sip%3acustom_...@example.com>>\;reason=unconditional\;screen=yes\;privacy=off))
exten =>
FWDdiver,3,Set(PJSIP_HEADER(add,CustomTwo)=<sip:custom_...@example.com
<mailto:sip%3acustom_...@example.com>>\;reason=unconditional\;screen=yes\;privacy=off))
exten => FWDdiver,4,Return()
Asterisk*CLI>
-- Now forwarding PJSIP/527-00000168 to
'Local/0123456789@outgoing'
(thanks to PJSIP/836-00000169)
[Dec 10 10:25:08] NOTICE[26309][C-000000c0]: app_dial.c:1005
do_forward:
Not accepting call completion offers from call-forward recipient
Local/0123456789@outgoing-0000002c;1
-- Executing [0123456789@outgoing:1]
Dial("Local/0123456789@outgoing-0000002c;2",
"PJSIP/0123456789@SBC1,,b(add_diversion^FWDdiver^1)") in new stack
-- PJSIP/SBC1-0000016a Internal
Gosub(add_diversion,FWDdiver,1) start
-- Executing [FWDdiver@add_diversion:1]
Set("PJSIP/SBC1-0000016a",
"PJSIP_HEADER(add,Diversion)=<sip:full_pstn...@example.com
<mailto:sip%3afull_pstn...@example.com>>;reason=unconditional;screen=yes;privacy=off)")
in new stack
-- Executing [FWDdiver@add_diversion:2]
Set("PJSIP/SBC1-0000016a",
"PJSIP_HEADER(add,CustomOne)=<sip:custom_...@example.com
<mailto:sip%3acustom_...@example.com>>;reason=unconditional;screen=yes;privacy=off)")
in new stack
-- Executing [FWDdiver@add_diversion:3]
Set("PJSIP/SBC1-0000016a",
"PJSIP_HEADER(add,CustomTwo)=<sip:custom_...@example.com
<mailto:sip%3acustom_...@example.com>>;reason=unconditional;screen=yes;privacy=off)")
in new stack
-- Executing [FWDdiver@add_diversion:4]
Return("PJSIP/SBC1-0000016a", "") in new stack
Phone => Asterisk
U 10.201.8.192:5060 <http://10.201.8.192:5060> -> 10.201.1.19:5060
<http://10.201.1.19:5060>
SIP/2.0 302 Moved Temporarily.
Diversion: <sip:836@10.201.1.19
<mailto:sip%3A836@10.201.1.19>>;reason=unconditional.
Asterisk => TSP provider
U 10.201.1.19:5060 <http://10.201.1.19:5060> -> 10.201.1.15:5060
<http://10.201.1.15:5060>
CustomOne:
<sip:custom_...@example.com
<mailto:sip%3acustom_...@example.com>>;reason=unconditional;screen=yes;privacy=off.
CustomTwo:
<sip:custom_...@example.com
<mailto:sip%3acustom_...@example.com>>;reason=unconditional;screen=yes;privacy=off.
Diversion: <sip:836@192.168.1.101
<mailto:sip%3A836@192.168.1.101>>;reason=unconditional.
--
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