1. New/Used VoIP Business Phones Offers
  2. sku: 2428629311656761
  3. POLYCOM HG99

HG99 POLYCOM Isdn Pri Module

HG99 POLYCOM Isdn Pri Module
More Information
BrandPOLYCOM
ModelHG99
TypeEXTERNAL MODULE
UPC220109196001

Review POLYCOM Px4-x20 Isdn Pri External Module

The Polycom 2201-09196-001 PX4-XX20 ISDN PRIs HG99 is a versatile and high-performance Integrated Services Digital Network (ISDN) Primary Rate Interface (PRI) module designed for use with Polycom's SoundPoint IP phones and VVX business media phones. This module enables these phones to support ISDN lines, providing advanced features and improved call handling capabilities.

The PX4-XX20 ISDN PRI module supports H.323 and SIP protocols and is compatible with H.323 v2 and v3 and SIP v2 and v3. It can support up to 23 B-channels and 1 D-channel, making it ideal for businesses with high call volume or requiring multiple concurrent calls. The module also supports Caller ID, Call Waiting, and Call Forwarding features.

The module is easy to install and configure, with a simple plug-and-play design. It connects to the SoundPoint IP phone or VVX business media phone via an Ethernet cable, and to the ISDN line via an RJ-45 connector. The module also features a status LED that provides visual indicators of call activity and module status.

The PX4-XX20 ISDN PRI module is designed for use in business environments and is ideal for small to medium-sized businesses requiring advanced call handling capabilities. It provides crystal-clear voice quality, reliable call handling, and advanced features such as call transfer, call hold, and call conferencing.

The module is built to last, with a rugged and compact design that can withstand the demands of a busy business environment. It also features a power-saving mode, which helps reduce energy consumption and lower operating costs.

Overall, the Polycom 2201-09196-001 PX4-XX20 ISDN PRIs HG99 is a powerful and versatile solution for businesses requiring advanced call handling capabilities and crystal-clear voice quality. Its easy-to-use design, reliable performance, and compatibility with Polycom's popular SoundPoint IP phones and VVX business media phones make it an ideal choice for businesses of all sizes.

The Polycom 2201-09196-001 PX4-XX20 ISDN PRIs HG99 is a Voice over ISDN Primary Rate Interface (PRI) module designed for use with Polycom IP phones to provide traditional PRI connectivity. Here are some pros and cons that may help in deciding whether to purchase this product:

Pros:

1. Traditional PRI connectivity: This module allows users to maintain traditional PRI connections, ensuring compatibility with legacy systems and ensuring high-quality voice services.

2. Seamless integration: The module can be easily integrated with Polycom IP phones and other VoIP systems, making it a versatile option for organizations with diverse communication needs.

3. Reliability: ISDN PRIs are known for their reliability, and this module is no exception. It offers a high level of call quality and availability, making it a suitable option for mission-critical applications.

4. Cost-effective: Compared to other solutions for maintaining traditional PRI connections, this module is relatively cost-effective, making it an attractive option for organizations with limited budgets.

Cons:

1. Limited compatibility: This module is specifically designed for use with Polycom IP phones and may not be compatible with other VoIP systems or phone models.

2. Requires ISDN connectivity: In order to use this module, organizations must have access to ISDN connectivity, which may not be available in all areas and may require additional costs.

3. Maintenance and support: ISDN systems and equipment can be complex and may require specialized maintenance and support, which can add to the overall cost of ownership.

Conclusion:

The Polycom 2201-09196-001 PX4-XX20 ISDN PRIs HG99 module can be a valuable addition to organizations that require traditional PRI connectivity for their voice communications. Its ease of integration, reliability, and cost-effectiveness make it an attractive option. However, its limited compatibility with other systems and the requirement for ISDN connectivity are potential drawbacks. Ultimately, the decision to purchase this module depends on an organization's specific communication needs and budget. If traditional PRI connectivity is a requirement, and the organization has access to ISDN connectivity, then this module could be a good investment.

Details:

Polycom px4-x20 2201-09196-001 isdn pri external module HG99 9a. Multiple item listings. This item is to be installed and maintained by qualified individuals.

specifications voipbusiphone:

  • brand: Polycom
  • model: Hg99
  • type: External Module
  • upc: 220109196001

payments voipbusiphone:

  • other
  • wallet: apple-pay
  • credit card: diners-club

seller voipbusiphone:

  • rating: 99.2%
  • # reviews: 6119
  • city: cedar hill, texas

shipping voipbusiphone:

  • class: standard
  • type: fixed
  • transit: 4-10 days
  • service: standard

offer voipbusiphone:

  • options: ship-to-home
  • availability: in stock
  • in stock #: 4
  • prices: $10.49–$16.95
  • item condition: Used
  • started: july 18, 2025
  • sold #: 24
  • best offers: true

returns voipbusiphone:

  • method: money back
  • paid by: buyer
  • time: 30 days
  • policy: returns accepted

general voipbusiphone:

  • category: Computers > Computers/tablets > Enterprise Networking, Servers > Voip Business Phones/ip Pbx
rating: 99.2% out of 100 based on 119 user ratings.
Similar Items:
voipbusiphone logo
4 offers $10.49–$16.95 USD
  • Used. USA Seller
  • Used. USA Seller
  • Used. USA Seller
  • Used. USA Seller
© voipbusiphone.com