Mobile VoIP

EVDO Fring GSM HSDPA mobile voip
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Mobile VoIP

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Mobile VoIP is an extension of mobility to a VoIP Voice over IP network. There are several methodologies by which a mobile handset can be integrated into a VoIP network. One implementation turns the mobile device into a standard SIP client, which then uses a data network to send and receive SIP messaging, and to send and receive RTP for the voice path. This methodology of turning a mobile handset into a standard SIP client requires that the mobile handset support, at minimum, high speed IP communications. In this application, standard VoIP protocols (typically SIP) are used over any broadband IP-capable wireless network connection such as EVDO rev A (which is synchronously high speed — both high speed up and down), HSDPA, WiFi or WiMAX. Another implementation of mobile integration uses a softswitch like gateway to bridge SIP and RTP into the mobile network’s SS7 infrastructure.

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