We are the top linphone customization team in the market. we dealt with top companies of telecom. What are the features you are looking for Calling, Messaging, call history etc? We are STRONG knowledge on ASTERISK, A2Bbilling, FREESWITCH.
CODEC- G267, VP8, H264
SOME OF OUR WORKS ARE "Magictelnex, Infiny,
You can also have a look at our portfolio in freelancer https://www.freelancer.in/u/eliteapps which can showcase our works clearly Do INBOX us and provide the details we can rebrand and give you faster