Specifications

CONTENTS
About this Document.............................................................................................................................................. 1
Overview ........................................................................................................................................................... 1
Prerequisites ..................................................................................................................................................... 1
About the MBG Documentation Set .................................................................................................................. 1
Supported Configurations....................................................................................................................................... 2
Services............................................................................................................................................................. 2
Teleworkers and Remote Offices....................................................................................................................... 2
Overview..................................................................................................................................................2
Mitel Border Gateway as Internet Gateway.............................................................................................3
Additional Local Networks........................................................................................................................4
Mitel Border Gateway in a DMZ...............................................................................................................5
NAT Traversal for MICD..................................................................................................................................... 6
Secure Gateway for Broadview Networks silhouette HKS.................................................................................6
Secure Recording Environment......................................................................................................................... 7
MBG Deployed on the LAN for Call Recording........................................................................................7
SIP Trunking.................................................................................................................................................... 10
Daisy-Chain Deployments................................................................................................................................ 11
Special IT Policy Deployment.................................................................................................................11
Reduced Bandwidth for Remote Sites...................................................................................................12
MBG in MAS.................................................................................................................................................... 13
MAS on the LAN.....................................................................................................................................13
MAS on the Network Edge.....................................................................................................................13
MBG in vUCC.................................................................................................................................................. 14
Partial Service Configurations ........................................................................................................................ 14
Common Requirements........................................................................................................................................ 15
Supported ICP Versions................................................................................................................................... 15
Administrative Access...................................................................................................................................... 15
Firewalls (DMZ deployment)............................................................................................................................ 15
Known Issues.........................................................................................................................................16
Checkpoint “NG” Firewalls.....................................................................................................................16
Port-Forwarding Firewalls......................................................................................................................16
SIP-Aware Firewalls...............................................................................................................................16
UDP Flood Protection.............................................................................................................................16
Firewall Configuration Common to all Services.....................................................................................17
Remote Phone Access......................................................................................................................................... 18
Remote Site Requirements.............................................................................................................................. 18
Router.....................................................................................................................................................18
VPN Connectivity...................................................................................................................................19
Using an Existing VPN...........................................................................................................................19
Corporate Firewall & Network Configuration for VPN Access...............................................................19
Bandwidth Requirements for the Remote Site.......................................................................................19
Configuring the Remote Site Firewall.....................................................................................................21
TFTP Behavior................................................................................................................................................. 22
Firewall Configuration for Remote MiNet Devices........................................................................................... 22
Configuring MBG for Remote SIP Devices...................................................................................................... 23
Remote SIP Device Limitations..............................................................................................................23
Tuning Global Parameters.....................................................................................................................23
DNS Support..........................................................................................................................................23
Firewall Configuration for Remote SIP Devices............................................................................................... 23
SIP Trunking......................................................................................................................................................... 25
Overview.......................................................................................................................................................... 25
Bandwidth Requirements................................................................................................................................. 25
Resilient Trunk Configuration........................................................................................................................... 25