Описание товара
Подробности
- Increase in FXO port density to connect PSTN lines
- Adds VoIP to a legacy TDM PBX or key system
- Converts voice traffic into data packets for transmission over an IP network
- Supports SIP standards for voice and data networking, for reliable voice and fax operation
- Includes highly secure, encryption-based methods for communicating, provisioning, and servicing