Cisco Call Manager Alternative

Cisco Call Manager Alternative – Webex is actually Cisco’s umbrella name for a range of cloud communications tools. The biggest part of this is the Webex suite, which Cisco says is “everything you need to support your business.” And it’s true, Webeh Suite offers messaging, calling, video conferencing, webinars, etc.

For contact centers Cisco offers Webex contact center cloud software that has nothing to do with Webex Suite. Webex Contact Center offers a native option to record customer calls.

Cisco Call Manager Alternative

Cisco Call Manager Alternative

The core element of the Webex Suite is the Webex app, an all-in-one collaboration tool that provides employees with:

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Group collaboration (including online meetings, webinars, and events) was offered by Webex before it was acquired by Cisco. And so far Webex meetings have their own native recording option.

So the question is how to record audio/video calls from webex app (just normal 1-1 calls and not video meeting or webinar calls).

In a “pure cloud” Webex implementation, all communications (including calls) are hosted in the cloud. Obviously there should be a cloud recording option. And here it is. Cisco partners exclusively with Dubber to offer call recording to Webex cloud users.

With a hybrid deployment, audio/video calls can be hosted locally. In this case, the Webex application is registered with CUCM and all calls are made through the integrated CM environment. Those who prefer hard phones can configure the Webex app to control their Cisco IP phone.

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So if the Webex application is SIP registered in Cisco UCM, will its calls be registered like any other calls in the UCM environment?

Sure! You can use it with any common recording method – SPAN mirroring, SIPREC option, CUBE partitioning and guess what? The Webex app has a built-in built-in bridge.

For a Webex application registered with Cisco UCM, you can use any call recording software compatible with Cisco UC. Check out PhoneUP – a call recording solution approved by Cisco*.

Cisco Call Manager Alternative

In this article, we’ll discuss how to seamlessly transition from Skype for Business to Cisco Jabber and/or Cisco Webex without overburdening your company’s technical support and creating undue pain for users. In our case, we needed to implement calling scheme, all types of conferences, messaging and screen sharing between Cisco Jabber / Cisco Webex and S4B users via SIP URI, digital numbering was not important.

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The advantages of this approach is that there is no need to waste time and resources configuring the integration between S4B and Cisco Jabber.

Disadvantages are: greater pressure on the organization’s technical support (especially if there are thousands of users), requests and user dissatisfaction.

In many organizations, domain names are a mess. Sometimes an organization has third-level domains, or even different domains, and users are hosted anywhere. And to level this situation, you can transition within those domains (not necessarily two of them), but Cisco Jabber still needs an additional domain.

The advantages of this approach are: simplicity of transition (Cisco Jabber / Cisco Webex and S4B clients can work for a single user), there is no wave of requests from users, and the burden on the organization’s technical support is reduced.

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Disadvantages: First, the future task of moving users to a single domain (Cisco Jabber initially considered having a second-level domain) with the cost of reconfiguration and service failure during this transition, which is significant in itself. Another big disadvantage is that it is impossible to add more contact to subscriber card in S4B, which basically prevents S4B users from making calls because no one wants to dial something manually. However, you can “disable” users in S4B and “enable” them in Cisco Jabber / Cisco Webex while changing a required field (such as MSRTCSIP or IPPHONE) in user accounts in Active Directory is used to create the directory URI in CUCM. (configured in LDAP settings), setting the new value for Cisco Jabber/Cisco Webex, which is used to generate the SIP URI.

The advantage of this approach is the simplicity of the transition. Disable S4B for the user and enable Cisco Jabber/Cisco Webex. And you don’t have to change anything in the user accounts in Active Directory.

The only downside is the inability to exchange messages between Cisco Webex and S4B clients due to architectural features. Enabling the hybrid messaging service does not solve the problem, and configuring SIP federation is impossible because the same domain is used everywhere. However, everything works fine between Cisco Jabber and S4B clients.

Cisco Call Manager Alternative

In this article we will talk about the last option (transition without additional domain), was chosen as the test domain.

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A call from Cisco Jabber/Cisco Webex comes from CUCM to CMS in standard SIP format, then it is translated into a standard Microsoft call and sent to Expressway-C, then sent to Skype for Business (blue arrows in the figure).

A call from Skype for Business in Microsoft SIP format is routed to Expressway, then to CMS, which routes the call back to Expressway, and Expressway routes it back to S4B. The S4B does not find the recipient and re-sends it to the Expressway, which re-sends it back to the CMS. CMS recognizes that this is a loop and breaks it, sends the call to Expressway in standard SIP format according to the second rule, and Expressway sends the call to CUCM. These transitions are marked in red in the diagram.

This plan was made very complicated because we could not find another way to resolve SIP standard and Microsoft calls, users with the same domain can exist in both S4B and CUCM.

The logic is that if a directory URI is not assigned to the Cisco Jabber profile in CUCM, the user with the correct SIP URI is in S4B. In this case, it is impossible for a user with the same SIP URI to work on both S4B and CUCM at the same time.

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Typically, you can also create a SIP trunk to route SIP URI calls directly between CUCM and S4B and dual-home conferences through CMS. This will simplify routing since dual-homed conferences are always called by number, so a route pattern in CMS and a SIP route pattern in S4B would suffice, but we’re not looking for easy ways.

You must add these parameters, otherwise when you add a contact to your Cisco Jabber contact list, the chat address on the added contact card will be incorrect, the contact suffix contains the domain of the user that this contact is adding, and therefore, message and state transfer will not work.

Messaging between Cisco Jabber and S4B users will work through a so-called IntraDomain association. However, we manually change the automatically created route to the IM&P servers by redirecting it directly to the Expressway in S4B.

Cisco Call Manager Alternative

3.3. Ensure that the root CA certificate that issued the certificate for the Cisco servers.

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Use PowerShell (or any other method) to generate a list of user IDs. ID can be UPN, SIP Address, sAMAccountName, Display Name:

After disabling users on SFB servers, populate their msRTCSIP-PrimaryUserAddress attribute with the appropriate address used on Cisco servers:

This is a popular feature, but if something isn’t working properly, it can be difficult to find relevant troubleshooting information.

It started out simple enough: the agent greeting wasn’t working, even though the script had been tested and used before in other work environments.

Webex Calling Configuration Workflow

The first problem with the agent auto-greeting feature was due to the lack of an RTP stream (actually it was one-way). In order for the agent’s phone (physical device, Jabber, IP Communicator) to be able to play the greeting, an RTP stream must be created between the VVB (Voice Browser) and the agent’s phone. After the RTP connection is established, a client can hear the VVB greeting through the agent’s phone.

It was obvious that there was a problem with RTP, so I started looking into it. I decided to collect a network traffic dump from VVB to see if there was an RTP stream. I used Putty to connect to the VVB CLI and ran the following commands:

Utils network capture-rotate file size ALL sizePerFile 100 maxFiles 25 – Enable network traffic capture and wait for a call to an agent with a hello problem.

Cisco Call Manager Alternative

File get activelog platform/cli/*.cap* resort compress reltime hour 1 – This command collects previously captured traffic for the last hour (modify the “1 hour” parameter as needed – minutes/hours)

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You can also collect engine logs from VVB to see if the voice browser received the command from CVP to play the greeting and started playing it.

I use Wireshark to analyze network traffic. You can find your call in the Telephony > VoIP Calls menu. Check “time of day” to simplify your search.

Below you can see two charts, one showing a normal call with a greeting and the other showing a problematic call where no greeting is played.

You can see an established RTP stream between VVB and the phone. that

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