You've landed at the right place. oDesk is now Upwork. Learn about the new platform.

Voip Software Jobs

50 were found based on your criteria

Category

Job Type

show all

Client History

show all

Project length

show all

Hours per Week

show all

Fixed-Price - Est. Budget: $ 200 Posted
We need some one who is expert in VOIP. We need to install VOS in our server.Anyone who is expert in VOS,VOIP,ASTARISK can apply this job. We dont have VOS files.We want installation with files. Please apply with following details. How much you... more

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: $ 40 Posted
Hi, I have a Asterisk System that i am playing Voice files to users that call the system, I have an issue that for some reason the files are not playing clearly when being uploaded, its having some background noise.. The Original File is in .mp3... more

Fixed-Price - Est. Budget: $ 1,500 Posted
We are looking for a team to setup a PRI in India to handle many concurrent outgoing calls so we can send termination to India mobile

Fixed-Price - Est. Budget: $ 500 Posted
We need help setting up a cloud-based open-source call center software. We're not sure the best servers or VOIP providers, so are open to suggestions. Our main goal is to have something like: Elastix VICIDIAL GOautodial Set up from scratch,... more
Skills: VOIP Software

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