Nortel 252 Fundamentals

Also see for 252: Quick install guide Configuration

Chapter 5 User Notes 41Nortel Business Secure Router 252 — Fundamentals1 Determine your actual WAN up-stream bandwidth by connecting to a web sitesuch as http://myvoipspeed.visualware.com/.2 On BANDWIDTH MANAGEMENT / Summary, activate WAN bandwidthmanagement, and fill in your actual uplink speed in the WAN Speed field..3 On BANDWIDTH MANAGEMENT / Class Setup, add a WAN subclass, andreserve sufficient bandwidth based on the number of telephones, for ProtocolID 17 (UDP Traffic).The amount of bandwidth should be based on a reasonable peak number ofsimultaneous calls, and the data rate needed by the IP telephony CODECs.Setting Up a Remote Office with a UNIStim IP TelephoneFor a remote office with a PC, and a UNIStim IP telephone behind a BCM50aIntegrated Router, Client Emulation is the recommended method to connect to themain office.1 At the main office Contivity Client Server, establish two user accounts - onefor the telephone, and one for the PC.2 On the remote office BCM50a Integrated Router, do the following:Under WAN / WAN IP, ensure that Network Address Translation is set toSUA Only (default). Also ensure that the Gateway IP address is set (not0.0.0.0).Under VPN / Summary, create an entry for the IP telephone client tunnel.(Contivity Client, Active, Keep Alive). Fill in the IP address of the ContivityClient Server, and the name and password of the telephone set user account.Under VPN / Global Setting, enable Exclusive Mode, and fill in the MACaddress of the telephone set.Under Bandwidth Management, set up WAN bandwidth management toreserve 110 kbps of bandwidth for UDP traffic (protocol ID 17). See thepreceding section titled, “Preventing heavy data traffic from impactingtelephone calls”.3 Provision the IP set with the corporate call server address.4 On the PC, install Contivity Client Software, and configure it with the PC useraccount information.

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