Hi, Here is another failed test call with closing angle bracket: Kamailio log Jan 3 14:55:41 tpa-ar-openser01 /usr/sbin/kamailio[4782]: ERROR: <core> [parser/parse_to.c:626]: ERROR: parse_to : unexpected char [#015] in status 6: <<<sip:2057030997@72.31.12.161;tag=gK0c002371>> . FROM and TO in INVITE received by Kamailio From: <sip:7272697443@71.44.13.84;user=phone>;tag=gK0c9dcf07 To: <sip:2057030997@72.31.12.161>;tag=gK0c002371 FROM and TO in INVITE forward by Kamailio for the same call From: <sip:7272697443@71.44.13.84;user=phone>;tag=gK0c9dcf07 To: <sip:2057030997@72.31.12.161\000\000>;tag=gK0c002371 Thanks, AS ________________________________ From: sr-users &lt;sr-users-bounces(a)lists.sip-router.org&gt; on behalf of AL S &lt;alirsm2(a)outlook.com&gt; Sent: Wednesday, January 4, 2017 10:00:52 AM To: sr-users(a)lists.sip-router.org Subject: [SR-Users] unexpected char [#015] Hi, Kamailio is complaining about unexpected char [#015] in TO header of INVITE: Jan 3 14:55:41 tpa-ar-openser01 /usr/sbin/kamailio[4782]: ERROR: <core> [parser/parse_to.c:626]: ERROR: parse_to : unexpected char [#015] in status 6: <<<sip:2057030997@72.31.12.161;tag=gK006cb08b>> . Jan 3 14:55:41 tpa-ar-openser01 /usr/sbin/kamailio[4782]: ERROR: <core> [parser/msg_parser.c:180]: ERROR: get_hdr_field: bad to header Jan 3 14:55:41 tpa-ar-openser01 /usr/sbin/kamailio[4782]: INFO: <core> [parser/msg_parser.c:353]: ERROR: bad header field [To: <sip:2057030997@] Jan 3 14:55:41 tpa-ar-openser01 /usr/sbin/kamailio[4782]: ERROR: tm [t_lookup.c:1118]: ERROR: reply cannot be parsed Here is the TO header for the same call in both text and hex format. I am unable to see any ^M char in this TO header. To: <sip:2057030997@72.31.12.161;tag=gK006cb08b 546f3a203c7369703a323035373033303939374037322e33312e31322e3136313e3b7461673d674b30303663623038620d0a Any help would be appreciated. AS,