I had a box which was running FS 1.4, so I upgraded it to 1.6. Now I’m getting incompatible destination when dialing out through my provider, despite having changed nothing else. I’ve tried changing the outbound codec prefs to just PCMU,PCMA in case that was it, but still no joy. 

Here’s a SIP trace, can we tell anything from this, or are there any other likely explanations given the upgrade?

 INVITE sip:0<desintationnumber>@sip.mysipprovider SIP/2.0
   Via: SIP/2.0/UDP 1.2.3.4:5080;rport;branch=z9hG4bKe57KcBtmmr9cB
   Max-Forwards: 69
   From: "0<sourcenumber>" <sip:<accountname>@sip.mysipprovider>;tag=DvXrSpNBaFc1e
   To: <sip:0<desintationnumber>@sip.mysipprovider>
   Call-ID: a553eda8-7fa4-1236-bd95-040118c15f01
   CSeq: 118282234 INVITE
   Contact: <sip:gw+gatewayname@1.2.3.4:5080;transport=udp;gw=gatewayname>
   User-Agent: FreeSWITCH-mod_sofia/1.6.20-37-987c9b9~64bit
   Allow: INVITE, ACK, BYE, CANCEL, OPTIONS, MESSAGE, INFO, UPDATE, REGISTER, REFER, NOTIFY
   Supported: timer, path, replaces
   Allow-Events: talk, hold, conference, refer
   Proxy-Authorization: Digest username="<accountname>", realm="sip.mysipprovider", nonce="81346aeb-453b-466e-ba50-5d027c1a55e3", cnonce="pVaZvn+kEjaVvQQBGMFfAQ", algorithm=MD5, uri="sip:0<desintationnumber>@sip.mysipprovider", response="4702ba8b72c43939d5fa88528eafaf2b", qop=auth, nc=00000001
   Content-Type: application/sdp
   Content-Disposition: session
   Content-Length: 246
   X-FS-Support: update_display,send_info
   Remote-Party-ID: "0<sourcenumber>" <sip:0<sourcenumber>@sip.mysipprovider>;party=calling;screen=yes;privacy=off

   

   v=0
   o=FreeSWITCH 1517205769 1517205770 IN IP4 1.2.3.4
   s=FreeSWITCH
   c=IN IP4 1.2.3.4
   t=0 0
   m=audio 30824 RTP/AVP 0 101 13
   a=rtpmap:0 PCMU/8000
   a=rtpmap:101 telephone-event/8000
   a=fmtp:101 0-16
   a=rtpmap:13 CN/8000
   a=ptime:20
   ------------------------------------------------------------------------
2018-01-29 14:36:33.926697 [DEBUG] sofia.c:7084 Channel sofia/external/0<desintationnumber> entering state [calling][0]
recv 338 bytes from udp/[<providerip>]:5060 at 14:36:34.354355:
   ------------------------------------------------------------------------
   SIP/2.0 100 Trying
   Via: SIP/2.0/UDP 1.2.3.4:5080;rport=5080;branch=z9hG4bKe57KcBtmmr9cB
   From: "0<sourcenumber>" <sip:<accountname>@sip.mysipprovider>;tag=DvXrSpNBaFc1e
   To: <sip:0<desintationnumber>@sip.mysipprovider>
   Call-ID: a553eda8-7fa4-1236-bd95-040118c15f01
   CSeq: 118282234 INVITE
   User-Agent: mysipprovider
   Content-Length: 0

   

   ------------------------------------------------------------------------
2018-01-29 14:36:33.966698 [DEBUG] switch_rtp.c:1463  [  zrtp utils]: Send <HELLO> ssrc=3933957113 seq=47730 size=148. Stream 5:CLEAR:START
2018-01-29 14:36:34.066706 [DEBUG] switch_rtp.c:1463  [  zrtp utils]: Send <HELLO> ssrc=3933957113 seq=47731 size=148. Stream 5:CLEAR:START
2018-01-29 14:36:34.186741 [DEBUG] switch_core_io.c:448 Setting BUG Codec PCMU:0
2018-01-29 14:36:34.266726 [DEBUG] switch_rtp.c:1463  [  zrtp utils]: Send <HELLO> ssrc=3933957113 seq=47732 size=148. Stream 5:CLEAR:START
2018-01-29 14:36:34.366714 [INFO] switch_rtp.c:7268 Auto Changing audio port from 10.10.131.204:11782 to <myphonesip>:11782
2018-01-29 14:36:34.466703 [DEBUG] switch_rtp.c:1463  [  zrtp utils]: Send <HELLO> ssrc=3933957113 seq=47733 size=148. Stream 5:CLEAR:START
2018-01-29 14:36:34.666721 [DEBUG] switch_rtp.c:1463  [ zrtp engine]: WARNING! HELLO have been resent 5 times without a response. Raising ZRTP_EVENT_NO_ZRTP_QUICK event. ID=5
2018-01-29 14:36:34.666721 [DEBUG] switch_rtp.c:1463  [  zrtp utils]: Send <HELLO> ssrc=3933957113 seq=47734 size=148. Stream 5:CLEAR:START
2018-01-29 14:36:34.866711 [DEBUG] switch_rtp.c:1463  [  zrtp utils]: Send <HELLO> ssrc=3933957113 seq=47735 size=148. Stream 5:CLEAR:START
2018-01-29 14:36:35.066711 [DEBUG] switch_rtp.c:1463  [  zrtp utils]: Send <HELLO> ssrc=3933957113 seq=47736 size=148. Stream 5:CLEAR:START
2018-01-29 14:36:35.266717 [DEBUG] switch_rtp.c:1463  [  zrtp utils]: Send <HELLO> ssrc=3933957113 seq=47737 size=148. Stream 5:CLEAR:START
2018-01-29 14:36:35.466732 [DEBUG] switch_rtp.c:1463  [  zrtp utils]: Send <HELLO> ssrc=3933957113 seq=47738 size=148. Stream 5:CLEAR:START
2018-01-29 14:36:35.666724 [DEBUG] switch_rtp.c:1463  [  zrtp utils]: Send <HELLO> ssrc=3933957113 seq=47739 size=148. Stream 5:CLEAR:START
2018-01-29 14:36:35.866711 [DEBUG] switch_rtp.c:1463  [  zrtp utils]: Send <HELLO> ssrc=3933957113 seq=47740 size=148. Stream 5:CLEAR:START
2018-01-29 14:36:36.066719 [DEBUG] switch_rtp.c:1463  [  zrtp utils]: Send <HELLO> ssrc=3933957113 seq=47741 size=148. Stream 5:CLEAR:START
2018-01-29 14:36:36.266719 [DEBUG] switch_rtp.c:1463  [  zrtp utils]: Send <HELLO> ssrc=3933957113 seq=47742 size=148. Stream 5:CLEAR:START
2018-01-29 14:36:36.466719 [DEBUG] switch_rtp.c:1463  [  zrtp utils]: Send <HELLO> ssrc=3933957113 seq=47743 size=148. Stream 5:CLEAR:START
2018-01-29 14:36:36.666711 [DEBUG] switch_rtp.c:1463  [  zrtp utils]: Send <HELLO> ssrc=3933957113 seq=47744 size=148. Stream 5:CLEAR:START
2018-01-29 14:36:36.866721 [DEBUG] switch_rtp.c:1463  [  zrtp utils]: Send <HELLO> ssrc=3933957113 seq=47745 size=148. Stream 5:CLEAR:START
2018-01-29 14:36:37.066709 [DEBUG] switch_rtp.c:1463  [  zrtp utils]: Send <HELLO> ssrc=3933957113 seq=47746 size=148. Stream 5:CLEAR:START
2018-01-29 14:36:37.266699 [DEBUG] switch_rtp.c:1463  [  zrtp utils]: Send <HELLO> ssrc=3933957113 seq=47747 size=148. Stream 5:CLEAR:START
recv 705 bytes from udp/[<providerip>]:5060 at 14:36:37.863874:
   ------------------------------------------------------------------------
   SIP/2.0 488 Not Acceptable Here
   Via: SIP/2.0/UDP 1.2.3.4:5080;rport=5080;branch=z9hG4bKe57KcBtmmr9cB
   Max-Forwards: 69
   From: "0<sourcenumber>" <sip:<accountname>@sip.mysipprovider>;tag=DvXrSpNBaFc1e
   To: <sip:0<desintationnumber>@sip.mysipprovider>;tag=v2D22KNm5y4KS
   Call-ID: a553eda8-7fa4-1236-bd95-040118c15f01
   CSeq: 118282234 INVITE
   User-Agent: mysipprovider
   Accept: application/sdp
   Allow: INVITE, ACK, BYE, CANCEL, OPTIONS, MESSAGE, INFO, UPDATE, REGISTER, REFER, NOTIFY
   Supported: timer, path, replaces
   Allow-Events: talk, hold, conference, refer
   Reason: Q.850;cause=88;text="INCOMPATIBLE_DESTINATION"
   Content-Length: 0
   P-Charging-Vector: icid-value=0954708e-d24b-489c-a16a-0244d89313f8

   

   ------------------------------------------------------------------------