Twilio发起呼叫问题-间歇性传入问题

Twilio发起呼叫问题-间歇性传入问题,twilio,asterisk,sip,sip-server,freepbx,Twilio,Asterisk,Sip,Sip Server,Freepbx,我正在尝试在我的Asterisk/Freepbx实例上设置Twilio Elastic SIP中继,并且在设置可靠的发起(终止工作非常好)方面遇到了困难 背景-我已经按照twilio指南进行了所有设置,在freepbx和stackoverflow上发布了大量论坛帖子,在大多数情况下,这是一个正常的设置 从分机/pbx出站-工作非常好,非常清晰 从PSTN到Twilio号码的入站:我先听到几声短铃声,然后是几声长铃声,它“可能”最终会呼叫我的分机。25%的时间呼叫到我的分机(并且成功且随机地从Tw

我正在尝试在我的Asterisk/Freepbx实例上设置Twilio Elastic SIP中继,并且在设置可靠的发起(终止工作非常好)方面遇到了困难

背景-我已经按照twilio指南进行了所有设置,在freepbx和stackoverflow上发布了大量论坛帖子,在大多数情况下,这是一个正常的设置

  • 从分机/pbx出站-工作非常好,非常清晰
  • 从PSTN到Twilio号码的入站:我先听到几声短铃声,然后是几声长铃声,它“可能”最终会呼叫我的分机。25%的时间呼叫到我的分机(并且成功且随机地从Twilio白名单中的一个IP,不一定是同一个IP)。75%的通话中断时间会出现蜂鸣音、通话无法连接等信息
  • 当我使用“发出测试呼叫”按钮从Twilio的“发起”设置页面呼叫时,呼叫是即时的,工作非常好
  • 在上面的#2中,我注意到我听到的每一个铃声都有一个“失败”的Twilio登录。我无法从日志中破译很多信息(没有401403等)。有人能帮忙吗?为什么#3总是有效(Twilio的测试呼叫按钮)

    以下是失败呼叫的Twilio日志:

    INVITE sip:+1TWILIONUMBER@MYASTERSIKIP SIP/2.0
    Record-Route: <sip:54.172.60.0:5060;lr;ftag=90304243_6772d868_40eb6ad8-c345-48cf-955c-425fd0246d38>
    From: <sip:+1MYPSTNPHONE@MYTWILIOORGID.pstn.twilio.com;isup-oli=0;pstn-params=9084818088;cpc=ordinary>;tag=90304243_6772d868_40eb6ad8-c345-48cf-955c-425fd0246d38
    To: <sip:+1TWILIONUMBER@MYASTERSIKIP;user=phone>
    CSeq: 9141 INVITE
    Max-Forwards: 63
    Accept: application/sdp
    Accept: application/isup
    Accept: application/dtmf
    Accept: application/dtmf-relay
    Accept: multipart/mixed
    Session-Expires: 1800
    Min-SE: 90
    Content-Disposition: session;handling=required
    Diversion: <sip:+1TWILIONUMBER@public-vip.us1.twilio.com>;reason=unconditional
    Call-ID: 3612263d48dd307c857c2d3c1815ba73@0.0.0.0
    Via: SIP/2.0/UDP 54.172.60.0:5060;branch=z9hG4bK18.e94819e6.0
    Via: SIP/2.0/UDP 172.18.12.93:5060;rport=5060;received=172.18.12.93;branch=z9hG4bK40eb6ad8-c345-48cf-955c-425fd0246d38_6772d868_285296189381176
    Contact: <sip:+1MYPSTNPHONE@172.18.12.93:5060;transport=udp>
    Allow: INVITE,ACK,CANCEL,BYE,OPTIONS
    User-Agent: Twilio Gateway
    X-Twilio-AccountSid: AC9172c558ab99243b3cccdce67dadd1b9
    X-Twilio-ApiVersion: 2010-04-01
    Content-Type: application/sdp
    X-Twilio-CallSid: CAe5541067a3270dbe765ee9c0b839cec5
    Content-Length: 231
    
    v=0
    o=- 869153823 869153823 IN IP4 54.172.60.79
    s=Twilio Media Gateway
    c=IN IP4 54.172.60.79
    t=0 0
    m=audio 13460 RTP/AVP 0 101
    a=rtpmap:0 PCMU/8000
    a=rtpmap:101 telephone-event/8000
    a=fmtp:101 0-15
    a=ptime:20
    a=sendrecv
    INVITE sip:+1TWILIONUMBER@MYASTERSIKIP SIP/2.0
    Record-Route: <sip:54.172.60.0:5060;lr;ftag=90304243_6772d868_40eb6ad8-c345-48cf-955c-425fd0246d38>
    From: <sip:+1MYPSTNPHONE@MYTWILIOORGID.pstn.twilio.com;isup-oli=0;pstn-params=9084818088;cpc=ordinary>;tag=90304243_6772d868_40eb6ad8-c345-48cf-955c-425fd0246d38
    To: <sip:+1TWILIONUMBER@MYASTERSIKIP;user=phone>
    CSeq: 9141 INVITE
    Max-Forwards: 63
    Accept: application/sdp
    Accept: application/isup
    Accept: application/dtmf
    Accept: application/dtmf-relay
    Accept: multipart/mixed
    Session-Expires: 1800
    Min-SE: 90
    Content-Disposition: session;handling=required
    Diversion: <sip:+1TWILIONUMBER@public-vip.us1.twilio.com>;reason=unconditional
    Call-ID: 3612263d48dd307c857c2d3c1815ba73@0.0.0.0
    Via: SIP/2.0/UDP 54.172.60.0:5060;branch=z9hG4bK18.e94819e6.0
    Via: SIP/2.0/UDP 172.18.12.93:5060;rport=5060;received=172.18.12.93;branch=z9hG4bK40eb6ad8-c345-48cf-955c-425fd0246d38_6772d868_285296189381176
    Contact: <sip:+1MYPSTNPHONE@172.18.12.93:5060;transport=udp>
    Allow: INVITE,ACK,CANCEL,BYE,OPTIONS
    User-Agent: Twilio Gateway
    X-Twilio-AccountSid: AC9172c558ab99243b3cccdce67dadd1b9
    X-Twilio-ApiVersion: 2010-04-01
    Content-Type: application/sdp
    X-Twilio-CallSid: CAe5541067a3270dbe765ee9c0b839cec5
    Content-Length: 231
    
    v=0
    o=- 869153823 869153823 IN IP4 54.172.60.79
    s=Twilio Media Gateway
    c=IN IP4 54.172.60.79
    t=0 0
    m=audio 13460 RTP/AVP 0 101
    a=rtpmap:0 PCMU/8000
    a=rtpmap:101 telephone-event/8000
    a=fmtp:101 0-15
    a=ptime:20
    a=sendrecv
    INVITE sip:+1TWILIONUMBER@MYASTERSIKIP SIP/2.0
    Record-Route: <sip:54.172.60.0:5060;lr;ftag=90304243_6772d868_40eb6ad8-c345-48cf-955c-425fd0246d38>
    From: <sip:+1MYPSTNPHONE@MYTWILIOORGID.pstn.twilio.com;isup-oli=0;pstn-params=9084818088;cpc=ordinary>;tag=90304243_6772d868_40eb6ad8-c345-48cf-955c-425fd0246d38
    To: <sip:+1TWILIONUMBER@MYASTERSIKIP;user=phone>
    CSeq: 9141 INVITE
    Max-Forwards: 63
    Accept: application/sdp
    Accept: application/isup
    Accept: application/dtmf
    Accept: application/dtmf-relay
    Accept: multipart/mixed
    Session-Expires: 1800
    Min-SE: 90
    Content-Disposition: session;handling=required
    Diversion: <sip:+1TWILIONUMBER@public-vip.us1.twilio.com>;reason=unconditional
    Call-ID: 3612263d48dd307c857c2d3c1815ba73@0.0.0.0
    Via: SIP/2.0/UDP 54.172.60.0:5060;branch=z9hG4bK18.e94819e6.0
    Via: SIP/2.0/UDP 172.18.12.93:5060;rport=5060;received=172.18.12.93;branch=z9hG4bK40eb6ad8-c345-48cf-955c-425fd0246d38_6772d868_285296189381176
    Contact: <sip:+1MYPSTNPHONE@172.18.12.93:5060;transport=udp>
    Allow: INVITE,ACK,CANCEL,BYE,OPTIONS
    User-Agent: Twilio Gateway
    X-Twilio-AccountSid: AC9172c558ab99243b3cccdce67dadd1b9
    X-Twilio-ApiVersion: 2010-04-01
    Content-Type: application/sdp
    X-Twilio-CallSid: CAe5541067a3270dbe765ee9c0b839cec5
    Content-Length: 231
    
    v=0
    o=- 869153823 869153823 IN IP4 54.172.60.79
    s=Twilio Media Gateway
    c=IN IP4 54.172.60.79
    t=0 0
    m=audio 13460 RTP/AVP 0 101
    a=rtpmap:0 PCMU/8000
    a=rtpmap:101 telephone-event/8000
    a=fmtp:101 0-15
    a=ptime:20
    a=sendrecv
    INVITE sip:+1TWILIONUMBER@MYASTERSIKIP SIP/2.0
    Record-Route: <sip:54.172.60.0:5060;lr;ftag=90304243_6772d868_40eb6ad8-c345-48cf-955c-425fd0246d38>
    From: <sip:+1MYPSTNPHONE@MYTWILIOORGID.pstn.twilio.com;isup-oli=0;pstn-params=9084818088;cpc=ordinary>;tag=90304243_6772d868_40eb6ad8-c345-48cf-955c-425fd0246d38
    To: <sip:+1TWILIONUMBER@MYASTERSIKIP;user=phone>
    CSeq: 9141 INVITE
    Max-Forwards: 63
    Accept: application/sdp
    Accept: application/isup
    Accept: application/dtmf
    Accept: application/dtmf-relay
    Accept: multipart/mixed
    Session-Expires: 1800
    Min-SE: 90
    Content-Disposition: session;handling=required
    Diversion: <sip:+1TWILIONUMBER@public-vip.us1.twilio.com>;reason=unconditional
    Call-ID: 3612263d48dd307c857c2d3c1815ba73@0.0.0.0
    Via: SIP/2.0/UDP 54.172.60.0:5060;branch=z9hG4bK18.e94819e6.0
    Via: SIP/2.0/UDP 172.18.12.93:5060;rport=5060;received=172.18.12.93;branch=z9hG4bK40eb6ad8-c345-48cf-955c-425fd0246d38_6772d868_285296189381176
    Contact: <sip:+1MYPSTNPHONE@172.18.12.93:5060;transport=udp>
    Allow: INVITE,ACK,CANCEL,BYE,OPTIONS
    User-Agent: Twilio Gateway
    X-Twilio-AccountSid: AC9172c558ab99243b3cccdce67dadd1b9
    X-Twilio-ApiVersion: 2010-04-01
    Content-Type: application/sdp
    X-Twilio-CallSid: CAe5541067a3270dbe765ee9c0b839cec5
    Content-Length: 231
    
    v=0
    o=- 869153823 869153823 IN IP4 54.172.60.79
    s=Twilio Media Gateway
    c=IN IP4 54.172.60.79
    t=0 0
    m=audio 13460 RTP/AVP 0 101
    a=rtpmap:0 PCMU/8000
    a=rtpmap:101 telephone-event/8000
    a=fmtp:101 0-15
    a=ptime:20
    a=sendrecv
    
    INVITE sip:+1TWILIONUMBER@MYASTERSIKIPSIP/2.0
    记录路线:
    发件人:;标签=90304243_6772d868_40eb6ad8-c345-48cf-955c-425fd0246d38
    致:
    CSeq:9141邀请
    最大前锋数:63
    接受:应用程序/sdp
    接受:应用程序/isup
    接受:应用程序/dtmf
    接受:应用程序/dtmf继电器
    接受:多部分/混合
    会期届满:1800
    Min SE:90
    内容配置:会话;处理=必需
    改道:;原因=无条件
    呼叫ID:3612263d48dd307c857c2d3c1815ba73@0.0.0.0
    Via:SIP/2.0/UDP 54.172.60.0:5060;分支=z9hG4bK18.e94819e6.0
    Via:SIP/2.0/UDP 172.18.12.93:5060;rport=5060;收到=172.18.12.93;分支=z9hG4bK40eb6ad8-c345-48cf-955c-425fd0246d38_6772d868_285296189381176
    联系人:
    允许:邀请、确认、取消、再见、选项
    用户代理:Twilio网关
    X-Twilio-AccountSid:AC9172c558ab99243b3cccdce67dadd1b9
    X-Twilio-ApiVersion:2010-04-01
    内容类型:应用程序/sdp
    X-Twilio-CallSid:CAe5541067a3270dbe765ee9c0b839cec5
    内容长度:231
    v=0
    o=-869153823在IP4 54.172.60.79中869153823
    s=Twilio媒体网关
    c=在IP4 54.172.60.79中
    t=0
    m=音频13460 RTP/AVP 0 101
    a=rtpmap:0 PCMU/8000
    a=rtpmap:101电话事件/8000
    a=fmtp:101 0-15
    a=时间:20
    a=sendrecv
    邀请sip:+1TWILIONUMBER@MYASTERSIKIPSIP/2.0
    记录路线:
    发件人:;标签=90304243_6772d868_40eb6ad8-c345-48cf-955c-425fd0246d38
    致:
    CSeq:9141邀请
    最大前锋数:63
    接受:应用程序/sdp
    接受:应用程序/isup
    接受:应用程序/dtmf
    接受:应用程序/dtmf继电器
    接受:多部分/混合
    会期届满:1800
    Min SE:90
    内容配置:会话;处理=必需
    改道:;原因=无条件
    呼叫ID:3612263d48dd307c857c2d3c1815ba73@0.0.0.0
    Via:SIP/2.0/UDP 54.172.60.0:5060;分支=z9hG4bK18.e94819e6.0
    Via:SIP/2.0/UDP 172.18.12.93:5060;rport=5060;收到=172.18.12.93;分支=z9hG4bK40eb6ad8-c345-48cf-955c-425fd0246d38_6772d868_285296189381176
    联系人:
    允许:邀请、确认、取消、再见、选项
    用户代理:Twilio网关
    X-Twilio-AccountSid:AC9172c558ab99243b3cccdce67dadd1b9
    X-Twilio-ApiVersion:2010-04-01
    内容类型:应用程序/sdp
    X-Twilio-CallSid:CAe5541067a3270dbe765ee9c0b839cec5
    内容长度:231
    v=0
    o=-869153823在IP4 54.172.60.79中869153823
    s=Twilio媒体网关
    c=在IP4 54.172.60.79中
    t=0
    m=音频13460 RTP/AVP 0 101
    a=rtpmap:0 PCMU/8000
    a=rtpmap:101电话事件/8000
    a=fmtp:101 0-15
    a=时间:20
    a=sendrecv
    邀请sip:+1TWILIONUMBER@MYASTERSIKIPSIP/2.0
    记录路线:
    发件人:;标签=90304243_6772d868_40eb6ad8-c345-48cf-955c-425fd0246d38
    致:
    CSeq:9141邀请
    最大前锋数:63
    接受:应用程序/sdp
    接受:应用程序/isup
    接受:应用程序/dtmf
    接受:应用程序/dtmf继电器
    接受:多部分/混合
    会期届满:1800
    Min SE:90
    内容配置:会话;处理=必需
    改道:;原因=无条件
    呼叫ID:3612263d48dd307c857c2d3c1815ba73@0.0.0.0
    Via:SIP/2.0/UDP 54.172.60.0:5060;分支=z9hG4bK18.e94819e6.0
    Via:SIP/2.0/UDP 172.18.12.93:5060;rport=5060;收到=172.18.12.93;分支=z9hG4bK40eb6ad8-c345-48cf-955c-425fd0246d38_6772d868_285296189381176
    联系人:
    允许:邀请、确认、取消、再见、选项
    用户代理:Twilio网关
    X-Twilio-AccountSid:AC9172c558ab99243b3cccdce67dadd1b9
    X-Twilio-ApiVersion:2010-04-01
    内容类型:应用程序/sdp
    X-Twilio-CallSid:CAe5541067a3270dbe765ee9c0b839cec5
    内容长度:231
    v=0
    o=-869153823在IP4 54.172.60.79中869153823
    s=Twilio媒体网关
    c=在IP4 54.172.60.79中
    t=0
    m=音频13460 RTP/AVP 0 101
    a=rtpmap:0 PCMU/8000
    a=rtpmap:101电话事件/8000
    a=fmtp:101 0-15
    a=时间:20
    a=sendrecv
    邀请sip:+1TWILIONUMBER@MYASTERSIKIPSIP/2.0
    记录路线:
    发件人:;标签=90304243_6772d868_40eb6ad8-c345-48cf-955c-425fd0246d38
    致:
    CSeq:9141邀请
    最大前锋数:63
    接受:应用程序/sdp
    接受:应用程序/isup
    接受:应用程序/dtmf
    接受:应用程序/dtmf继电器
    接受:多部分/混合
    会期届满:1800
    Min SE:90
    内容配置:会话;处理=必需
    改道:;原因=无条件
    呼叫ID:3612263d48dd307c857c2d3c1815ba73@0.0.0.0
    Via:SIP/2.0/UDP 54.172.60.0:5060;分支=z9hG4bK18.e94819e6.0
    Via:SIP/2.0/UDP 172.18.12.93:5060;rport=5060;收到=172.18.12.93;分支=z9hG4bK40eb6ad8-c345-48cf-955c-425fd0246d38_6772d868_285296189381176
    联系人:
    允许:邀请、确认、取消、再见、选项
    用户代理:Twilio网关
    X-Twilio-AccountSid:AC9172c558ab99243b3cccdce67dadd1b9
    X-Twilio-ApiVersion:2010-04-01
    内容类型:应用程序/sdp
    X-Twilio-CallSid:CAe5541067a3270dbe765ee9c0b839cec5
    内容长度:231
    v=0
    o=-869153823在IP4 54.172.60.79中869153823
    s=Twilio媒体网关
    c=在IP4 54.172.60.79中
    t=0
    m=音频13460 RTP/AVP 0 101
    a=rtpmap:0 PCMU/8000
    a=rtpmap:101电话事件/8000
    a=fmtp:101 0-15
    a=时间:20
    a=sendrecv
    

    Twilio成功呼叫的日志:

    INVITE sip:+1TWILIONUMBER@MYASTERSIKIP SIP/2.0
    Record-Route: <sip:54.172.60.1:5060;lr;ftag=65942748_6772d868_4b230251-675c-48ca-92d5-24d1f90c4cda>
    From: <sip:+1MYPSTNPHONE@MYTWILIOORGID.pstn.twilio.com;pstn-params=808181808882;cpc=ordinary>;tag=65942748_6772d868_4b230251-675c-48ca-92d5-24d1f90c4cda
    To: <sip:+1TWILIONUMBER@MYASTERSIKIP;user=phone>
    CSeq: 31801 INVITE
    Max-Forwards: 11
    Accept: application/sdp
    Accept: application/isup
    Accept: application/dtmf
    Accept: application/dtmf-relay
    Accept: multipart/mixed
    Session-Expires: 1800
    Min-SE: 90
    Content-Disposition: session;handling=required
    Diversion: <sip:+1TWILIONUMBER@public-vip.us1.twilio.com>;reason=unconditional
    Call-ID: c4d7a4854a1246e4a19d1c56d3f0e169@0.0.0.0
    Via: SIP/2.0/UDP 54.172.60.1:5060;branch=z9hG4bKb67c.e698b2c7.0
    Via: SIP/2.0/UDP 172.18.3.99:5060;rport=5060;received=172.18.3.99;branch=z9hG4bK4b230251-675c-48ca-92d5-24d1f90c4cda_6772d868_285301165960484
    Contact: <sip:+1MYPSTNPHONE@172.18.3.99:5060;transport=udp>
    Allow: INVITE,ACK,CANCEL,BYE,OPTIONS
    User-Agent: Twilio Gateway
    X-Twilio-AccountSid: AC9172c558ab99243b3cccdce67dadd1b9
    X-Twilio-ApiVersion: 2010-04-01
    Content-Type: application/sdp
    X-Twilio-CallSid: CAe6bf2966fc9f8990f508c0d57b7e7dc9
    Content-Length: 233
    
    v=0
    o=- 377936330 377936330 IN IP4 54.172.60.201
    s=Twilio Media Gateway
    c=IN IP4 54.172.60.201
    t=0 0
    m=audio 11960 RTP/AVP 0 101
    a=rtpmap:0 PCMU/8000
    a=rtpmap:101 telephone-event/8000
    a=fmtp:101 0-15
    a=ptime:20
    a=sendrecv
    SIP/2.0 100 Trying
    Via: SIP/2.0/UDP 54.172.60.1:5060;branch=z9hG4bKb67c.e698b2c7.0;received=54.172.60.1;rport=5060
    Via: SIP/2.0/UDP 172.18.3.99:5060;rport=5060;received=172.18.3.99;branch=z9hG4bK4b230251-675c-48ca-92d5-24d1f90c4cda_6772d868_285301165960484
    Record-Route: <sip:54.172.60.1:5060;lr;ftag=65942748_6772d868_4b230251-675c-48ca-92d5-24d1f90c4cda>
    From: <sip:+1MYPSTNPHONE@MYTWILIOORGID.pstn.twilio.com;pstn-params=808181808882;cpc=ordinary>;tag=65942748_6772d868_4b230251-675c-48ca-92d5-24d1f90c4cda
    To: <sip:+1TWILIONUMBER@MYASTERSIKIP:5060;user=phone>
    Call-ID: c4d7a4854a1246e4a19d1c56d3f0e169@0.0.0.0
    CSeq: 31801 INVITE
    Server: FPBX-12.0.70(13.9.1)
    Allow: INVITE, ACK, CANCEL, OPTIONS, BYE, REFER, SUBSCRIBE, NOTIFY, INFO, PUBLISH, MESSAGE
    Supported: replaces, timer
    Contact: <sip:+1TWILIONUMBER@MYASTERSIKIP:5060>
    Content-Length: 0
    
    SIP/2.0 180 Ringing
    Via: SIP/2.0/UDP 54.172.60.1:5060;branch=z9hG4bKb67c.e698b2c7.0;received=54.172.60.1;rport=5060
    Via: SIP/2.0/UDP 172.18.3.99:5060;rport=5060;received=172.18.3.99;branch=z9hG4bK4b230251-675c-48ca-92d5-24d1f90c4cda_6772d868_285301165960484
    Record-Route: <sip:54.172.60.1:5060;lr;ftag=65942748_6772d868_4b230251-675c-48ca-92d5-24d1f90c4cda>
    From: <sip:+1MYPSTNPHONE@MYTWILIOORGID.pstn.twilio.com;pstn-params=808181808882;cpc=ordinary>;tag=65942748_6772d868_4b230251-675c-48ca-92d5-24d1f90c4cda
    To: <sip:+1TWILIONUMBER@MYASTERSIKIP:5060;user=phone>;tag=as3a65945e
    Call-ID: c4d7a4854a1246e4a19d1c56d3f0e169@0.0.0.0
    CSeq: 31801 INVITE
    Server: FPBX-12.0.70(13.9.1)
    Allow: INVITE, ACK, CANCEL, OPTIONS, BYE, REFER, SUBSCRIBE, NOTIFY, INFO, PUBLISH, MESSAGE
    Supported: replaces, timer
    Contact: <sip:+1TWILIONUMBER@MYASTERSIKIP:5060>
    Content-Length: 0
    
    SIP/2.0 180 Ringing
    Via: SIP/2.0/UDP 54.172.60.1:5060;branch=z9hG4bKb67c.e698b2c7.0;received=54.172.60.1;rport=5060
    Via: SIP/2.0/UDP 172.18.3.99:5060;rport=5060;received=172.18.3.99;branch=z9hG4bK4b230251-675c-48ca-92d5-24d1f90c4cda_6772d868_285301165960484
    Record-Route: <sip:54.172.60.1:5060;lr;ftag=65942748_6772d868_4b230251-675c-48ca-92d5-24d1f90c4cda>
    From: <sip:+1MYPSTNPHONE@MYTWILIOORGID.pstn.twilio.com;pstn-params=808181808882;cpc=ordinary>;tag=65942748_6772d868_4b230251-675c-48ca-92d5-24d1f90c4cda
    To: <sip:+1TWILIONUMBER@MYASTERSIKIP:5060;user=phone>;tag=as3a65945e
    Call-ID: c4d7a4854a1246e4a19d1c56d3f0e169@0.0.0.0
    CSeq: 31801 INVITE
    Server: FPBX-12.0.70(13.9.1)
    Allow: INVITE, ACK, CANCEL, OPTIONS, BYE, REFER, SUBSCRIBE, NOTIFY, INFO, PUBLISH, MESSAGE
    Supported: replaces, timer
    Contact: <sip:+1TWILIONUMBER@MYASTERSIKIP:5060>
    Content-Length: 0
    
    SIP/2.0 200 OK
    Via: SIP/2.0/UDP 54.172.60.1:5060;branch=z9hG4bKb67c.e698b2c7.0;received=54.172.60.1;rport=5060
    Via: SIP/2.0/UDP 172.18.3.99:5060;rport=5060;received=172.18.3.99;branch=z9hG4bK4b230251-675c-48ca-92d5-24d1f90c4cda_6772d868_285301165960484
    Record-Route: <sip:54.172.60.1:5060;lr;ftag=65942748_6772d868_4b230251-675c-48ca-92d5-24d1f90c4cda>
    From: <sip:+1MYPSTNPHONE@MYTWILIOORGID.pstn.twilio.com;pstn-params=808181808882;cpc=ordinary>;tag=65942748_6772d868_4b230251-675c-48ca-92d5-24d1f90c4cda
    To: <sip:+1TWILIONUMBER@MYASTERSIKIP:5060;user=phone>;tag=as3a65945e
    Call-ID: c4d7a4854a1246e4a19d1c56d3f0e169@0.0.0.0
    CSeq: 31801 INVITE
    Server: FPBX-12.0.70(13.9.1)
    Allow: INVITE, ACK, CANCEL, OPTIONS, BYE, REFER, SUBSCRIBE, NOTIFY, INFO, PUBLISH, MESSAGE
    Supported: replaces, timer
    Contact: <sip:+1TWILIONUMBER@MYASTERSIKIP:5060>
    Content-Type: application/sdp
    Content-Length: 483
    
    v=0
    o=root 2047240699 2047240699 IN IP4 MYASTERSIKIP
    s=Asterisk PBX 13.9.1
    c=IN IP4 MYASTERSIKIP
    t=0 0
    m=audio 14374 RTP/AVP 0 101
    a=rtpmap:0 PCMU/8000
    a=rtpmap:101 telephone-event/8000
    a=fmtp:101 0-16
    a=ptime:20
    a=maxptime:150
    a=ice-ufrag:29fbe7313c8689b0102f9d503d9eb401
    a=ice-pwd:7eb4637401aca4580b6985857be28247
    a=candidate:Hc0a81d9a 1 UDP 2130706431 192.168.29.154 14374 typ host
    a=candidate:Hc0a81d9a 2 UDP 2130706430 192.168.29.154 14375 typ host
    a=sendrecv
    ACK sip:+1TWILIONUMBER@MYASTERSIKIP:5060 SIP/2.0
    Call-ID: c4d7a4854a1246e4a19d1c56d3f0e169@0.0.0.0
    CSeq: 31801 ACK
    From: <sip:+1MYPSTNPHONE@MYTWILIOORGID.pstn.twilio.com;pstn-params=808181808882;cpc=ordinary>;tag=65942748_6772d868_4b230251-675c-48ca-92d5-24d1f90c4cda
    To: <sip:+1TWILIONUMBER@MYASTERSIKIP;user=phone>;tag=as3a65945e
    Max-Forwards: 69
    User-Agent: Twilio
    X-Twilio-CallSid: CAe6bf2966fc9f8990f508c0d57b7e7dc9
    Via: SIP/2.0/UDP 54.172.60.1:5060;branch=z9hG4bKb67c.e698b2c7.2
    Via: SIP/2.0/UDP 172.18.3.99:5060;rport=5060;received=54.172.60.201;branch=z9hG4bK4b230251-675c-48ca-92d5-24d1f90c4cda_6772d868_285306732657503
    Content-Length: 0
    
    BYE sip:+1TWILIONUMBER@MYASTERSIKIP:5060 SIP/2.0
    CSeq: 31802 BYE
    From: <sip:+1MYPSTNPHONE@MYTWILIOORGID.pstn.twilio.com;pstn-params=808181808882;cpc=ordinary>;tag=65942748_6772d868_4b230251-675c-48ca-92d5-24d1f90c4cda
    To: <sip:+1TWILIONUMBER@MYASTERSIKIP;user=phone>;tag=as3a65945e
    Call-ID: c4d7a4854a1246e4a19d1c56d3f0e169@0.0.0.0
    Max-Forwards: 68
    Via: SIP/2.0/UDP 54.172.60.1:5060;branch=z9hG4bK867c.164aadb4.0
    Via: SIP/2.0/UDP 172.18.3.99:5060;rport=5060;received=54.172.60.201;branch=z9hG4bK4b230251-675c-48ca-92d5-24d1f90c4cda_6772d868_285317504904769
    User-Agent: Twilio Gateway
    X-Twilio-CallSid: CAe6bf2966fc9f8990f508c0d57b7e7dc9
    Content-Length: 0
    
    SIP/2.0 200 OK
    Via: SIP/2.0/UDP 54.172.60.1:5060;branch=z9hG4bK867c.164aadb4.0;received=54.172.60.1;rport=5060
    Via: SIP/2.0/UDP 172.18.3.99:5060;rport=5060;received=54.172.60.201;branch=z9hG4bK4b230251-675c-48ca-92d5-24d1f90c4cda_6772d868_285317504904769
    From: <sip:+1MYPSTNPHONE@MYTWILIOORGID.pstn.twilio.com;pstn-params=808181808882;cpc=ordinary>;tag=65942748_6772d868_4b230251-675c-48ca-92d5-24d1f90c4cda
    To: <sip:+1TWILIONUMBER@MYASTERSIKIP:5060;user=phone>;tag=as3a65945e
    Call-ID: c4d7a4854a1246e4a19d1c56d3f0e169@0.0.0.0
    CSeq: 31802 BYE
    Server: FPBX-12.0.70(13.9.1)
    Allow: INVITE, ACK, CANCEL, OPTIONS, BYE, REFER, SUBSCRIBE, NOTIFY, INFO, PUBLISH, MESSAGE
    Supported: replaces, timer
    Content-Length: 0
    
    INVITE sip:+1TWILIONUMBER@MYASTERSIKIPSIP/2.0
    记录溃败