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Your Phone can register SIP extension (for instance with Asterisk PBX) but dont expect it to be used as Extension. Data Rate (Specially Uploading) wont allow a normal cal ... See More
IP based voice communication.Communication between telcos and inter office through IP based.Also between intra and inter office communication using IP through ISP and LAN ... See More
Coaxial cable is used for data Transmission over distances it is used in PLC Communications with preference over Optical Fibre because it is relatively in expensive & ... See More
Sure , but always Hands-on is best way to achieve your goal and target. so in addition to your study I do recommend creating small lab :-) also working on live system w ... See More
It Is possible but i don't think that GPRS can garenty a good voice quality. In3G you can have a good connexion. Calls sip should have25 Ko in Codec g729 et64Ko in G ... See More