you could try pjsip 1.6. I read there is improvement in jitter buffer handling on low bandwidth networks. regards klaus Am 10.05.2010 14:02, schrieb Re Mo: > Hi all > > My iPhone app uses the PJSIP iPhone Audio driver. > It works well on 3G & 3GS iPhones, but I am having some voice quality > issues on 2G iPhones. > When making a call with a 2G iPhone, the voice is distorted and it is > impossible to have a conversation. > > Did anyone experince the same issue or has any advise? this can be > related to PJSIP/PJSIP audio driver or the 2G iPHone CPU. > > Thx > Remo > > > > > _______________________________________________ > Visit our blog: http://blog.pjsip.org > > pjsip mailing list > pjsip at lists.pjsip.org > http://lists.pjsip.org/mailman/listinfo/pjsip_lists.pjsip.org