TEL:
+86-755-27837001
FAX:
+86-755-27837123
Email:
Market@letel.net
Sales@letel.net
Skype:
cnletel
letel002
MSN:
cnletel@hotmail.com
letel002@yahoo.com
VoIP gateway-TVG320
Compatible with SIP2.0; 2 FXS ports; Support VLAN protocal
