Voice-over-IP Service

Impulse Group offers our customers excellent Voice-over-IP (VOIP) service at a low cost. Our service provides a high quality phone-to-phone communication service.

Impulse Group offers a number of Voice-over-IP devices. The products we sell use the telephone handset you prefer, and may even be connected directly to your PBX as an external line with no additional hardware. Our VOIP products are suited to your need. For single- and double-line systems suited to small/medium offices, we offer products by Cisco Systems and Grandstream

Grand stream HT 496
Grandstream HandyTone 496

The Grandstream HandyTone 486 is an award-winning next generation VoIP analog telephone adaptor based on industry open standards. Built upon innovative technology, the Grandstream HandyTone 486 features market leading superb sound quality, compact size, and rich functionalities at highly-affordable price.

Features include:

  • Support SIP 2.0, TCP/UDP/IP, RTP/RTCP, HTTP, ARP/RARP, ICMP, DNS, DHCP, NTP, TFTP protocols.
  • Support NAT traversal using IETF STUN and symmetric RTP (compatible with Cisco ATA 186, etc).
  • Built-in Router, NAT and Gateway with VOIP priority.
  • Advanced Digital Signal Processing (DSP) to ensure superb hi-fidelity audio quality.
  • Advanced and patent pending adaptive jitter buffer control, packet delay and loss concealment technology.
  • Support popular codecs including G.723.1 (5.3K/6.3K), G.729A/B, G.711 (a-law and u-law), G.726, and G.728. Dynamic negotiation of codec and voice payload length.
  • Provides 1 LAN port and 1 FXS interface for any analog telephones and cordless phones.

Cisco ATA 186


Cisco ATA 186

The Cisco ATA 186 Analog Telephone Adaptor is a handset-to-Ethernet adaptor that turns traditional telephone devices into IP devices. Customers can take advantage of the many new and exciting IP telephony applications by connecting their analog devices to Cisco ATAs.The Cisco Analog Telephone Adaptor products are standards-based communication devices that deliver true, next-generation voice-over-IP (VoIP) terminations to businesses and residences worldwide.The Cisco ATA 186 supports two voice ports, each with its own independent telephone number, and a single 10/100BaseT Ethernet port.