My 1st Blog

There are a couple of applications available for iPhone 3G that let you connect to a SIP provider, iPhone itself does not come with a SIP Client like Nokia Symbian Mobiles.

One option is to use Fring, Fring for iPhone can be downloaded for free from Fring website.

Other applications are SipPhone which costs $7 and is created by vnet-corp.com and Siax which costs $5. Siax also supports IAX and has lots of good feedback, Siax can be downloaded from siax.org or from Appstore.

None of these support G729 and come only with G711 and GSM codec

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