Abdullah Comunications (PVT.) Ltd. Islamabad Pakistan
we are Pakistan Based Voip providers,
we provide lowest customer and reseller rate for voip,pc2phone calls ,
we are providng services for Pakistan,India,Bangladash,UAE,OMAN,Qatar and other gulf countries...
Obviously SIP is considerably better than H.323 and complies with the understanding of IP-telephony as a global mass IP-service, and it should be implicitly considered right this way. And as SIP is able to serve not only telephony but also any communications at all in the real time over the IP-protocol; obviously it should become a base for other IP-services not yet existing but will appear in the future, as well.