The Grandstream‘s HandyTone 503 or HT503 enables an integrated hybrid deployment between PSTN and VoIP environments. Users can utilize “hop-on and hop-off” calling through its FXO and FXS port that enables remote call origination and termination to and from the PSTN line. HandyTone 503 features 1 analog telephone FXS port and 1 PSTN line FXO port. Users can utilize the device for extension of a VoIP service to 1 analog phone with the FXS port. In addition to being SIP compliant, this product features support for up to 2 SIP account profiles, excellent voice quality, and advanced telephony features.
Network integration between PSTN and POTS has never been so easy. The HT503 is a hybrid analog telephone adapter and VoIP router that enables the user to create an easily integrated hybrid solution with backup lifeline support.
Description
Features
- 1 FXS analog telephone ports (RJ11), 1 PSTN line FXO port, dual 10/100 Mbps ports with integrated NAT router
- Advanced telephony features include caller ID, call waiting
- 3-way voice conference, transfer, forward, do not disturb, message indicator, multi-language voice prompts, T.38 fax, flexible dial plan, and more
- Supports up to 2 SIP accounts
- Failover SIP server automatically switches to secondary server if the main server loses connection
- Status LED for power, telephone, and network ports, and message waiting for an indication
- TLS and SRTP security encryption technology to protect calls and accounts
- Automated provisioning options include TR-069 and XML config files
- Use with Grandstream’s UCM series of IP PBXs for Zero Configruartion provisioning
- Supports advanced telephony features, including call transfer, call forward, callwaiting, do not disturb, message waiting indication, multi-language promtps, flexible dial plan and more
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