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





HT502
The HT502 analog telephone adapter (ATA) allows users to create a high-quality and manageable IP telephony solution for home or office applications. The product features 2 FXS ports, an integrated NAT router and dual 10/100Mbps Ethernet WAN and LAN ports to enable a shared broadband connection between...
GXV3610 v2 Series
A weatherproof, infrared IP camera that enables users to monitor and secure important low-light outdoor environments. The GXV3610 v2 comes with a 3.6mm lens for monitoring wide angles at close proximity settings, such as building entrances, outdoor warehouses, parking garages and outdoor reception areas.
...
...
HT701
The HT701 analog telephone adapter (ATA) allows users to create a high-quality and manageable IP telephony solution for individual analog phones in a home or office application. The product features 1 FXS port and 1 10/100Mbps port to extend VoIP services to an analog phone.
Product datasheets
For...
Product datasheets
For...
GXW4004/4008
Constructing a high-end and interoperable communications network with your analog endpoints is easier than ever. The GXW4004/4008 is ideal for small to medium business that are looking to integrate existing PSTN telephony systems into an IP telephony solution.
Product datasheets
For Pricing Click...
Product datasheets
For Pricing Click...
GXP2200EXT Extension Module
Equip any desktop with superior call control, network visibility and in-call flexibility. The GXP2200EXT extension module provides greater network control for high-call volume users with its backlit LCD display, BLF and Speed Dial keys and additional contacts/extensions per module. Supported by the GXP2140,...
GXV3611IR HD
An innovative surveillance solution to not only monitor and secure a location but have an audio conversation gives users unprecedented control over their facilities. The GXV3611 IR_HD is an indoor camera with infrared capabilities that is perfect for indoor areas where low light may be a concern and...
