SIP is a signaling protocol widely used for controlling multimedia communication sessions such as voice and video calls over IP (Internet Protocol). SIP is used to create, modify and terminate two-party (unicast) or multiparty (multicast) sessions...
Brass working telehone, antique finish, working telephone, Suitable for gifting purposes and for your own house. It works well with a land line connection just like modern land line phones. Feel the richness of old time with this phone while dialing...
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