Be sure you send the mail on the rtpproxy list as well. Here are mainly sip devs, so you may end up having to hire two, one for sip and one for rtp. Also, if you need to do some heavy processing on rtp (i.e., transcoding), you should check also existing sip media serviers such as SEMS ( http://www.iptel.org/sems/), freeswitch or asterisk. Cheers, Daniel On 5/10/11 4:36 PM, Salauddin Rubel wrote: Hi, We need a programmer who can modify SIP and RTP packets passing through Kamailio and RTP proxy. Interested programmer can contact with me. Thanks _______________________________________________ SIP Express Router (SER) and Kamailio (OpenSER) - sr-users mailing listsr-users@lists.sip-router.orghttp://lists.sip-router.org/cgi-bin/mailman/listinfo/sr-users -- Daniel-Constantin Mierlahttp://www.asipto.com