Polycom SoundStation Duo is a versatile conference phone that works with both analog and IP- phone lines. This makes it a unique device - in fact, two phones in one! With this conference phone you will not need to figure out what type of line your colleagues or partners use. Polycom SoundStation Duo provides full communication through public telephone lines and IP-telephony lines.
Callip Teletel
Call Ip is a SIP to PSTN wholesale service provider, offering private label telecom operators and excellent Direct Retail termination rates to Argentine, Brazil, Chile, Perú and Spain.
Our Offer:
Direct Termination. (White)
Interconnections with
Top countries:
United States 1294
India 440
United Kingdom 425
Canada 348
Bangladesh 338
China 142
Pakistan 134
Australia 133
Spain 123
Russia 114View all countries