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  1. #1
    Join Date
    Oct 2010
    Posts
    56

    Exclamation VOiP Setup - Outgoing Ok, No Incoming

    Hi,

    I have setup Elastix on my own VPS. I have setup all the configuration alright as per my knowledge. I can make Outgoing calls fine but I cannot receive Incoming calls. I am using a softphone.
    Let me know if anyone of you can resolve this Incoming calls issue or guide me through the process.

    Looking forward.
    Thanks!

  2. #2
    Join Date
    Oct 2007
    Location
    Northampton, UK
    Posts
    553
    Some if it may depend on what provider you are using. I wrote a guide that may help - http://sysadminman.net/blog/2009/get...did-number-386
    SysAdminMan - Asterisk PBX hosting - FreePBX, A2Billing and Elastix

  3. #3
    Join Date
    Nov 2004
    Location
    Marietta PA
    Posts
    137
    First with out seeing your configuration I would suggest that you make sure you setup the inbound route correctly.

    Next I would do a tail -f 10 /var/log/asterisk/full and watch the logs for a bit to make sure that the trunk is fully registered.

    If you are running a firewall I would verify that you have the correct ports open.

    At a min ports 5060 - 6000 for registration of SIP UDP
    10000-20000 UDP for SIP communication. That is inbound and outbound.

    Finally do a asterisk -r and place a inbound call and see if your asterisk system even sees the call and if so watch the call flow to see where it is failing.

    We provide VoIP Consulting if there is still a problem.
    Digital Offensive
    http://www.digitaloffensive.com
    Take an offensive approach to Security know what your foes know!

  4. #4
    Quote Originally Posted by webhostinggeek View Post
    Hi,

    I have setup Elastix on my own VPS. I have setup all the configuration alright as per my knowledge. I can make Outgoing calls fine but I cannot receive Incoming calls. I am using a softphone.
    Let me know if anyone of you can resolve this Incoming calls issue or guide me through the process.

    Looking forward.
    Thanks!
    You are behind a NAT firewall? (your home or office router) it is probably that Network Address Translation is the issue

    You need to use some form of NAT Traversal, such as STUN, Mediaproxy, rtpproxy, ICE, SER/Kamailio/Opensips depending on your softphone support

    Kamailio and OpenSIPS are forks of OpenSER (which is no longer developed)

    They are used at production environments in conjunction with mediaproxy or rtpproxy to deal with NAT Traversal


    it is also possible to use Client Side NAT Traversal solutions such as STUN and ICE (depending on your softphone support)

  5. #5
    Join Date
    Jan 2004
    Location
    Lakewood, NJ
    Posts
    88
    Just use STUN in Asterisk. Also make sure you register pretty frequent, use qualify=2000 and forward UDP ports 5060, 10000-20000 to your device.

    Also look at the Asterisk logs to see if it is a config issue.

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