Kamailio or Similar SBC for NAT Traversal to front end Asterisk/FreePBX Servers

We are looking for an Asterisk expert who has experience installing Kamailio or similar software to be used as an outbound proxy for NAT Traversal front ending multiple Asterisk/FreePBX servers. Some PBXs are having load spikes due to frequent device registration/authentication and NAT traversal functionality, so we're looking to install a solution to help with that load. Experience with high server load and offloading.

Skills: Asterisk PBX, Linux, PHP, System Admin, VoIP

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About the Employer:
( 25 reviews ) Salt Lake City, United States

Project ID: #18950139

Awarded to:


Good day, i have been working with kamailio and asterisk from the last 7 years and have expertise in both sip stacks. Please check my profile related to kamailio work. I know how you can off load your registrations to More

$700 USD in 10 days
(28 Reviews)

9 freelancers are bidding on average $558 for this job


Hello! I'm interesting your project very well and full time developer. I have great skill in design and php. My price and period is negotiable. Employee’s satisfy is my happiness ! Let's go ahead with me ! My More

$500 USD in 3 days
(247 Reviews)

We already have built large scale applications, CRMs, ERPs and huge systems can be found at our website. Like [login to view URL] [login to view URL] [login to view URL] [login to view URL] https: More

$550 USD in 8 days
(297 Reviews)

Hi there, I have checked the details I have great experience with Asterisk PBX, Linux, PHP, System Admin, VoIP. Please start the chat so we can discuss this job more in detail. Thanks

$555 USD in 10 days
(26 Reviews)

NetworkLab is experts in opensips or kamailio we can help deploy edge proxy based on you requirements. Our reach experience will help complete the project quickly and in professional manner.

$700 USD in 3 days
(32 Reviews)

hi, there There are a lot of ways to make load balancing between PBXs like with stateless or not. it maybe simplest like stateless loadbalancer between any PBXs or very complex. It depends on your current configurat More

$460 USD in 10 days
(15 Reviews)

Hi , im a voip systems administrator and sip proxy expert , thanks to contact me for more details about your loadbalancer/cluster installation , a Demo is available . Regards, Kamal zaouli

$750 USD in 5 days
(12 Reviews)

i full stack developer with more the 10 years the experiencie with voip, asterisk, kamailio, freeswitch, and kazoo. i can install kamailio with load balance to yours asterisk server with rtpproxy to fix nat issues.

$555 USD in 5 days
(15 Reviews)

Hello! I have briefly read the description on kamailio-similar-sbc-for-nat project, and I can deliver as per the requirements however I need us to discuss for more clarity on the details, deadline and budget as More

$250 USD in 10 days
(6 Reviews)