Category Archives: IP Office

How to create IP Office holdmusic

The challenge

Very often the customers want to have their individual holdmusic in their IP Office system. They usually deliver the file as MP3 or any other audio format. Avaya describes the format with the following bullet points:

  • 8kHz
  • 16bit
  • Mono
  • WAV PCM

It’s the same as needed for Voicemail Pro.

Depending on the IP Office system the holdmusic must not be longer than 90sec (IP500V2) or 600sec (Server Edition).

In this post I will describe how to use the free Audacity audio editor, to convert audio files to meet the needs of IP Office.

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Create certificates for iPhone with IP Office

Some time ago I published a post that describes the new rules a certificate has to follow to be accepted by Apple’s current devices (iPhone, iPad, MacOS PCs). Besides some rules about algorithms and bit length, that are usually met by all certificate authorities, there are some requirements, you will probably not see at first view. A certificate generated later than July 1st 2019 must not be longer valid than 825 days and the certificate must contain the value “Server Authentication” (OID 1.3.6.1.5.5.7.3.1) as Extended Key Usage (EKU).

The challenge

In my last post I mentioned that the IP Office certificate authority is able to create certificates that work with iPhones and other Apple devices. That was only half the truth, because only IP Office servers (Server Edition or Application Server) on at least release 11.0.4.1 create valid certificates.

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Call forwarding with Voicemail Pro

You can see Voicemail Pro kind of like a swiss army knife of an IP Office installation. Besides the common functionalities of a voicemail system and those to build automatic assistants, you have the options to read and write several user or group settings.

In this post I will describe you, how you can configure call forwarding for other users using Voicemail Pro. This can be helpful for example for assistants who have to divert the phone of the boss if needed.

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Media Manager plays no recording

The problem

Recently I faced an interesting problem again, that I want to share with you. Should you ever have the same problem, I hope you will find this post and that you can save some time searching for the root cause. There had been a customer call, that Media Manager plays no recording.

A short look into the recordings page seemed to be fine. The system showed all made recordings. But as soon as you clicked the play button the small player window appeared. Unfortunately you couldn’t hear anything. It looked similar to the following picture with the exception that the length of the recording has been shown as zero seconds.

Media Manager recordings Page
Media Manager recordings Page
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IP500V2 Upgrade fails with HTTP error “400 Bad request”

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In the Tek-Tips IP Office forum I recently read about an issue with the latest update of an IP500V2 to the latest 11.0 FP4 SP1. Upgrade fails and during file transfer you can see a HTTP error message “400 Bad Request”.

User splittingcodec found the reason for the issue and posted a workaround. He found out that some files in the Manager’s MemoryCards folder are empty. The solution was to just add some content to those files. For example just use the file name as content and save the files.

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New certificate rules affect IP Office applications

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Recently Avaya informed about the stronger certificate rules in upcoming mobile operating systems iOS 13 and Android Q as well as on MacOS 10.15 through this PSN: https://downloads.avaya.com/css/P8/documents/101058839. Avaya announced that those stronger rules may affect the commonly used Avaya apps on smartphones and tablets as well as on MAC PCs.

A valid certificate must match the following criteria:

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IP Office Heavy load after upgrade caused by old ADI licenses

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The transformation

Recently we ran into an issue we didn’t figure out before.

But from the beginning… With the switch from 9.0 to 9.1 Avaya started to support the use of PLDS licenses in IP Office, even if the good old ADI licenses were still working. PLDS licenses have only been delivered dir systems with contact centers like IPOCC or ACCS. With the upgrade to 10.0 ADI licenses became obsolete and we had to migrate to PLDS licensing during the upgrade. After a few challenges with the first few license sets everything worked fine and I like PLDS.

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Bintec – DHCP Option 242 for Avaya IP phones

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bintec elmeg offers several routers that offer a good feature set (including the more and more important IPv6 and DSLite) for a good price. Those routers can be used for example to build a VPN infrastructure, if you have to connect a central site with several branch offices.

For the central site bintec elmeg offers RXL series routers. For the branch offices the cheapest option is a RS123 router that can connect through ethernet connection or by using the inbuilt SFP port. If there is a DSL line in place, the better option is RS353 or be.IP Plus with it‘s inbuilt PBX. It comes with four analogue interfaces to connect analogue phones or fax devices. No need to buy an extra ATA.

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IP Office WebLM – Host ID missing

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This is a follow up post to this one: https://blog.fwilke.com/avaya-sbc-weblm-not-working/

Update: I removed the hint that the locale can be changed back to “de_DE.UTF-8” because I got the information that the host ID is generated during boot of the server. So it is probably not the best idea to use a locale different to “en_US.UTF-8”.

Update 2: I added the link to the official solution document provided by Avaya.

The issue

As described in the linked article we came over an issue that after upgrading IP Office Server Edition from earlier releases to 11.0 the WebLM stops doing it’s job. It starts well but is not able anymore to pull the MAC address and to generate the host ID.

This leads into the situation that the WebLM properties page shows exactly nothing:

WebLM Host ID missing
Missing Host ID
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Avaya SBC WebLM not working

After about six month of absence from Avaya I recently started to do some support again. My first job was to update a solution of two IP Office IP500 chassis together with two application servers to release 11.0 and the SBC used to connect mobile workers and a new SIP trunk to the latest 7.2 version.

From IP Office Server Edition I heard about issues with the WebLM delivered in release 11 not showing the server properties page. Without the WebLM’s Host-ID it is not possible to generate valid licenses and so IP Office itself will not work. Continue reading