Aastra 6739i SIP VoIP phone is a high-performance desktop phone with a touch screen and provides high-quality corporate communications with advanced features such as Bluetooth and Gigabit Ethernet.
Castling VoIP
We are a VoIP wholesale and retail provider and we have been in the business for 4 years. And we are interconnected with more than 300+ Carriers including Tier 1 Company’s.
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