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Shenzhen Yuantong Modern Technology Co., Ltd.

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City:shenzhen

Province/State:guangdong

Country/Region:china

Contact Person:MrTony

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Public Communication Terminal With Support For Stun NAT Penetration And Sip

Name: Public Communication Terminal With Support For Stun NAT Penetration And Sip
Brand: Yuantong
Price: 1 USD

Products Detailed

Product Description: Public Telephones are public voice communication devices designed to provide access to the public telephone system. They are ...

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sip protocol cip sip system sip ip pbx

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