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2012年1月24日星期二

Sell ZXECS Trunk Gateway

trunking gateway is an interffdjalkfdjkajflkdajflkde Voice over Internet Protocol (VoIP) and Public switched telephone network (PSTN). It is a device whereby the VoIP line and PSTN line are connected so that an end user can use PSTN phones to make a call over VoIP.

trunking gateway is an interffdjalkfdjkajflkdajflkde Voice over Internet Protocol (VoIP) and Public switched telephone network (PSTN). It is a device whereby the VoIP line and PSTN line are connected so that an end user can use PSTN phones to make a call over VoIP.
trunking gateway is an interffdjalkfdjkajflkdajflkde Voice over Internet Protocol (VoIP) and Public switched telephone network (PSTN). It is a device whereby the VoIP line and PSTN line are connected so that an end user can use PSTN phones to make a call over VoIP.

trunking gateway is an interffdjalkfdjkajflkdajflkde Voice over Internet Protocol (VoIP) and Public switched telephone network (PSTN). It is a device whereby the VoIP line and PSTN line are connected so that an end user can use PSTN phones to make a call over VoIP.

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