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Sip Jobs

16 were found based on your criteria

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Fixed-Price - Est. Budget: $ 100 Posted
What we need its a vary small setup with 3-4 GSM cards and 1 PSTN line. All this needs to be directed to one SIP.(Ofcourse if line is busy need to be signaled for this and caller must wiat). We would like to use GSM FWT to PSTN because in this manner... more

Fixed-Price - Est. Budget: $ 50 Posted
We have a Kamailio Server is up and running. We need a PHP Server-Side (JSON response where needed) to allow: * user login (synced with Kamilio) * user logout (synced with Kamilio) * user registration (simple user/password/email will do) * get... more
Skills: json PHP SIP

Fixed-Price - Est. Budget: $ 100 Posted
I needs a android sip dialer with source code . the dialer should be with built in VPN. The haired developer should have previous expirience in this field the develop will have to explain every things that how app works and how SIP works. the... more

Fixed-Price - Est. Budget: $ 300 Posted
We need to setup a kamailio + RTPproxy multi-domain SIP proxy server with registration passthrough and proper RTP nat configuration that allows reinvites (or direct media) between peers and to manage outbound media from-and-to multiple NATed asterisk... more

Fixed-Price - Est. Budget: $ 1,000 Posted
I need very experienced server guy who have knowledge of VoIP, Asterix, A2Billing, call forwarding, callback, webrtc, video, Nat, firewall, Messaging. I have server with everything configured and running perfectly, i have one iOS and one Android app... more

Fixed-Price - Est. Budget: $ 20 Posted
I am currently using freepbx that rings calls from "prospects" into a SIP client (3cx). My call center pre qualifies the call then transfers to an external line. The recipient of this call requires that the caller ID that is displayed be that of the... more