Cisco GWGK 2.0 Instructor Series: VoIP Network w/ PSTN/PBX Environment

This course is included in our On-demand training solution.


This course is part of Skillsoft's Instructor Series, technical courses presented in spontaneous lecture-style by subject matter experts. This is 2 of 6 of the Implementing Cisco Voice Gateways and Gatekeepers (GWGK) 2.0 series. This is an advanced course on implementing Cisco Voice Gateways and Gatekeepers in Enterprise or Service Provider environments. The goal of the course is to provide students with information and practice activities to prepare them to install, configure, monitor, and troubleshoot Cisco voice gateways and gatekeepers in enterprise installations in accord with the recommendations of Cisco's Solution Reference Network Design (SRND) for IP Telephony guides. Given a voice over IP design, the implementer will select an appropriate deployment model, correctly configure the gateways and gatekeepers, implement dial plans, and decide how to implement the most commonly offered service provider or managed services applications, features, or implementation requirements.

Target Audience

This course is a necessity for any student pursuing CCVP certification based on the Windows-based Communications Manager track.


To benefit fully from this course, students should have the following prerequisite courses/skills and or equivalent knowledge: – Cisco Voice over IP – Cisco IP Telephony – Fundamental knowledge of Cisco’s Unified CallManager Express – Conceptual understanding of PBX technology

Expected Duration

85 min.

Course Objectives

Introducing PSTN and PBX Trunks

Implementing Analog and Digital CAS Trunks

Implementing BRI and PRI Trunks

Implementing QSIG Trunks

  • – Describe the QSIG protocol and its associated features - Describe which interfaces support QSIG on Cisco IOS gateways - Describe the QSIG support in Cisco Unified CallManager, including supported gateways, trunks, interfaces, and signaling protocols - Describe the various commands necessary to configure QSIG on a Cisco IOS gateway - Configure Cisco Unified CallManager to use QSIG to interconnect an MGCP gateway to a PBX - Verify a QSIG trunk controlled by Cisco Unified CallManager