Configuring Avaya IP telephony (options 176 and 242)

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You can then either:. Only the following parameters can be set in the DHCP site-specific option for 96xx telephones, although most of them can be set in a 46xxsettings. Transport Layer Security is used to authenticate the server. The files are digitally signed, so TLS is not required for security. If there are too many addresses or names to include all of them in the DHCP site-specific option, include at least one from each major system.

Providing a subset of the addresses via DHCP improves reliability if the file server is not available due to server or network problems. Controls the operational mode for Controls the extent to which ICMP Destination Unreachable messages are sent in response to messages sent to closed ports so as not to reveal information to potential hackers.

Option 242 avaya example default is 1 sends Destination Unreachable messages for closed ports used by traceroute. The default is 0 redirect messages are not processed.

The default is 7. Controls the Ethernet line interface speed. The default is 1 auto-negotiate. Controls the secondary Ethernet interface speed. Security string option 242 avaya example to access local procedures. Controls whether local Craft procedures are allowed.

The default is 0 access to all administrative options is allowed. The default is " " Null. The default is 60 option 242 avaya example. The default is 0 automatic. The default is 0. SNMP community name string.

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We will never share this with anyone. By clicking you are agreeing to Experts Exchange's Terms of Use. Expand your skills with this month's free Premium course. View April's Free Course. I need a solution. VoIP dhcp option Can sombody help me to understand the option feature in the dhcp pool configuration for VoIP see sample below? Sign up today x. Avaya 46xx phones use option and 96xx phones use option So basically the phone boots up in the data vlan, receives a data IP address, and then looks at these options.

In your case it is vlan 5. The phone now receives an IP address on vlan 5 and the additional option. The difference now is that option has different information for the phone In your case: So basically these additional options tell the phone where to pull down its config from and what call server to register with.

These options are probably used on many other phones. Here is a doc that will help you maybe: Do you know if they mark the traffic automatically. Yes you can configure those options on the windows DHCP server. Are you moving to NEC from Avaya? The DHCP settings are specific to the phone manufacturer. They all do different things. Also, some phones have different methods of getting their vlan. Cisco using CDP but this only works with Cisco phones.

So you will really need to find out from NEC the specifics for how the phone gets its information. If you can use LLDP the phone only needs to boot up in the voice vlan. It all depends on the phone. NEC phones use But I am not sure if they mark the packet with dscp or cos. Ken Boone Network Consultant Commented: That would be a question for NEC, however, you could have the switch mark the traffic on the ingress port.

I assume that the phone marks the packet and my switch just trust dscp or cos. That's how the Cisco phone works. I would assume the same thing.. I do know several years ago that one of the manufacturers did not have their stuff marked but that was a long time ago. Question has a verified solution. Sign up with Google. Sign up with LinkedIn. Sign up with Facebook. I would like to receive news, updates and offers from Experts Exchange.

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