[Freeswitch-users] Multiple P-Asserted-Identity Headers
George F. Phelps
GeorgePhelps at gfphelps.com
Tue Jan 6 16:57:45 MSK 2015
Michael Jerris,
Thanks for pointing out the comma delimited syntax. However…
I am still trying to get setting my outbound caller ID to work. I noticed, in this Freeswitch SIP trace…
send 1202 bytes to udp/[66.33.147.150]:5060 at 07:12:09.474756:
------------------------------------------------------------------------
INVITE sip:1770XXXXXXX at 66.33.147.150 SIP/2.0
Via: SIP/2.0/UDP 54.174.255.168:5080;rport;branch=z9hG4bKKDN5acD6Zcp2g
Max-Forwards: 69
From: "George F Phelps" <sip:1404XXXXXXX at 54.174.255.168>;tag=gpmpmpp142SFH
To: <sip:1770XXXXXXX at 66.33.147.150>
Call-ID: 146d208a-1040-1233-1bbe-0a1aa9c1784d
CSeq: 69937100 INVITE
Contact: <sip:gw+switch2voip.us at 54.174.255.168:5080;transport=udp;gw=switch2voip.us>
User-Agent: FreeSWITCH-mod_sofia/1.5.15b+git~20141230T150632Z~1965b3b18d~64bit
Allow: INVITE, ACK, BYE, CANCEL, OPTIONS, MESSAGE, INFO, UPDATE, REGISTER, REFER, NOTIFY
Supported: timer, path, replaces
Allow-Events: talk, hold, conference, refer
Privacy: none
Content-Type: application/sdp
Content-Disposition: session
Content-Length: 251
P-Asserted-ID: "George F Phelps", <sip:1404XXXXXXX at 66.33.147.150>, tel:+1404XXXXXXX
X-FS-Support: update_display,send_info
P-Asserted-Identity: "George F Phelps" <sip:1404XXXXXXX at 54.174.255.168>
v=0
o=FreeSWITCH 1420520731 1420520732 IN IP4 54.174.255.168
s=FreeSWITCH
c=IN IP4 54.174.255.168
t=0 0
m=audio 25598 RTP/AVP 0 8 101 13
a=rtpmap:0 PCMU/8000
a=rtpmap:8 PCMA/8000
a=rtpmap:101 telephone-event/8000
a=fmtp:101 0-16
a=ptime:20
------------------------------------------------------------------------
…that there is apparently both a “P-Asserted-Identity” and a “P-Asserted-ID” header. What’s up with this? Are there two different headers? Is the Freeswitch SIP trace a formatted dump of the SIP packet, or is it a series of debug printf statements from where the data is added to the packet?
Thanks,
George
From: freeswitch-users-bounces at lists.freeswitch.org [mailto:freeswitch-users-bounces at lists.freeswitch.org] On Behalf Of Michael Jerris
Sent: Monday, January 05, 2015 1:34 PM
To: FreeSWITCH Users Help
Subject: Re: [Freeswitch-users] Multiple P-Asserted-Identity Headers
put them together as a single header separated by a comma. http://www.ietf.org/mail-archive/web/sip/current/msg17485.html has more info.
On Jan 5, 2015, at 6:56 AM, George F. Phelps <GeorgePhelps at gfphelps.com> wrote:
How do I create two (2) unique, P-Asserted-Identity headers? As required by <http://www.ietf.org/rfc/rfc3325.txt> RFC 3325:
A P-Asserted-Identity header field value MUST consist of exactly one name-addr or addr-spec. There may be one or two P-Asserted-Identity values. If there is one value, it MUST be a sip, sips, or tel URI. If there are two values, one value MUST be a sip or sips URI and the other MUST be a tel URI.
A valid, multiple P-Asserted-Identity headers example, taken from RFC 3325:
INVITE <sip:+14085551212 at proxy.pstn.net> sip:+14085551212 at proxy.pstn.net SIP/2.0
Via: SIP/2.0/TCP <http://useragent.cisco.com/> useragent.cisco.com;branch=z9hG4bK-124
Via: SIP/2.0/TCP <http://proxy.cisco.com/> proxy.cisco.com;branch=z9hG4bK-abc
To: < <sip:+14085551212 at cisco.com> sip:+14085551212 at cisco.com>
From: "Anonymous" < <sip:anonymous at anonymous.invalid> sip:anonymous at anonymous.invalid>;tag=9802748
Call-ID: 245780247857024504
CSeq: 2 INVITE
Max-Forwards: 69
P-Asserted-Identity: "Cullen Jennings" < <sip:fluffy at cisco.com> sip:fluffy at cisco.com>
P-Asserted-Identity: tel:+14085264000
Privacy: id
When I use the following two (2) statements in a Freeswitch dialplan, the second “set,” of course, overwrites the data stored by the first “set.”
<action application="set" data="sip_h_P-Asserted-ID=tel:+1404XXXXXXX"/>
<action application="set" data="sip_h_P-Asserted-ID="George F Phelps" < <sip:1404XXXXXXX at YY.YY.YYY.YYY> sip:1404XXXXXXX at YY.YY.YYY.YYY>"/>
Thanks,
George
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