9 replies to this topic

[diediemustdie]

Let see, I seldom work on Cisco Call Manager so not very sure of how it works ...
CCME connected to the PSTN using a FXO using a trunk line or a tel line
then how did CCM connect to the PSTN ?

CCM is a PC and the only connection is Ethernet ... so how ??
to VG200 ???

Thanks in advance
Yen Lung

[utan]

Let see, I seldom work on Cisco Call Manager so not very sure of how it works ...
CCME connected to the PSTN using a FXO using a trunk line or a tel line
then how did CCM connect to the PSTN ?

CCM is a PC and the only connection is Ethernet ... so how ??
to VG200 ???

Thanks in advance
Yen Lung

Hello,

Both CCME and CCM can connect to the PSTN either using FXO voice card (if you are connecting to CO trunk) or using E1 voice card (if you are connecting to ISDN-30).

Yes, CCM is only a server, can be either IBM or HP DL-360 or HP DL-380 servers. You cannot connect CCM directly to the PSTN, however, you may want to connect CCM to the voice gateway. From voice gateway, then you connect to the PSTN using either FXO voice card (VIC2-4FXO) or E1 voice card (VWIC-1MFT-1E1).
Do your job in bandwidth calculation to determine whether it is cost effective to use CO trunk (analog) or E1 trunk (digital). For me, I prefer to use E1 trunk which give you more feature, e.g. caller ID.

The VG200 series gateway is a device which allow you to connect analog devices so that they can be registered to the CCM. I haven't try using VG200 series using CCME, let me know if it works CCM version 4.02 and above also support SRTP (you need to enable it on CCM configuration), however I think its only for Cisco 7970G, 7960G, 7940G.

One thing to remember is that CCME do not support SRST feature. If you want to have full survivability, you need to buy 2 CCME boxes then configure using HSRP.
Hopefully, my explanation answer your question. Thanks

cheers

utan

[ivedernikov]

how did CCM connect to the PSTN

CCM is a PC and the only connection is Ethernet ... so how ??
to VG200 ???

CCM is a server. It connets to the LAN by FastEtnernet. Router (or voice gateway) connects to the PSTN by FXO or E1 or ISDN and to the LAN by FastEtnernet too.

[ITLAB]

The best advice for you is this: no matter how genuis someone can be, there is nothing that can replace an instructor. Why don't you go and take a class related to CME or CCM then you know for ever the device. You can get fooled by people when they are telling you things.


CallManager Express and CallManager can't be learned by just taking a book and read it.

Thank you. : ITLAB

[diediemustdie]

The best advice for you is this: no matter how genuis someone can be, there is nothing that can replace an instructor. Why don't you go and take a class related to CME or CCM then you know for ever the device. You can get fooled by people when they are telling you things.


CallManager Express and CallManager can't be learned by just taking a book and read it.

Thank you. : ITLAB

I know, but cureently i am only a student and in my school, i think i am the only one that know voip hence .... not a good idea too ....

[utan]

The best advice for you is this: no matter how genuis someone can be, there is nothing that can replace an instructor. Why don't you go and take a class related to CME or CCM then you know for ever the device. You can get fooled by people when they are telling you things.


CallManager Express and CallManager can't be learned by just  taking a book and read it.

Thank you. : ITLAB

I know, but cureently i am only a student and in my school, i think i am the only one that know voip hence .... not a good idea too ....

Hello,

My advise if you want to learn IPTel:
1. Buy and read the book titled: "A Cisco AVVID solution, Cisco CallManager Fundamentals" by John Alexander, Chris Pearce, Anne Smith, Delon Wheeten"
2. For troubleshooting, you may want to refer to the book: "A Cisco AVVID solution, Troubleshooting Cisco IP Telephony" by Paul Giralt, Addis Hallmark, Anne Smith.
3. Off course, the most important thing is get your hands dirty with those CallManager server. Try install CallManager server, configure voice gateway either using H.323 or MGCP. Configure dial plan in CallManager (route pattern, partition, calling search space), and how to configure additional feature (extension mobility, address book, MLA). Furthermore, know how to configure QoS in Cisco switches, configure VG-248 and ATA for analog devices, configure SRST in your router to benefit user when there's WAN failure.
4. The real challenge will be when you try to integrate CallManager with other IP PABX system, e.g. AVAYA Definity, Nortel Symposium. Please carefully choose signaling protocol to make 2 different system work together as it's vendor proprietary.

Happy Learning and Practice

utan

[diediemustdie]

The best advice for you is this: no matter how genuis someone can be, there is nothing that can replace an instructor. Why don't you go and take a class related to CME or CCM then you know for ever the device. You can get fooled by people when they are telling you things.


CallManager Express and CallManager can't be learned by just  taking a book and read it.

Thank you. : ITLAB

I know, but cureently i am only a student and in my school, i think i am the only one that know voip hence .... not a good idea too ....

Hello,

My advise if you want to learn IPTel:
1. Buy and read the book titled: "A Cisco AVVID solution, Cisco CallManager Fundamentals" by John Alexander, Chris Pearce, Anne Smith, Delon Wheeten"
2. For troubleshooting, you may want to refer to the book: "A Cisco AVVID solution, Troubleshooting Cisco IP Telephony" by Paul Giralt, Addis Hallmark, Anne Smith.
3. Off course, the most important thing is get your hands dirty with those CallManager server. Try install CallManager server, configure voice gateway either using H.323 or MGCP. Configure dial plan in CallManager (route pattern, partition, calling search space), and how to configure additional feature (extension mobility, address book, MLA). Furthermore, know how to configure QoS in Cisco switches, configure VG-248 and ATA for analog devices, configure SRST in your router to benefit user when there's WAN failure.
4. The real challenge will be when you try to integrate CallManager with other IP PABX system, e.g. AVAYA Definity, Nortel Symposium. Please carefully choose signaling protocol to make 2 different system work together as it's vendor proprietary.

Happy Learning and Practice

utan

look like i need to go into the company b4 i can do this ....

call manager software is cheap .... but the hardware alone is enough to kill me ....

any company want to hire me ???

[utan]

The best advice for you is this: no matter how genuis someone can be, there is nothing that can replace an instructor. Why don't you go and take a class related to CME or CCM then you know for ever the device. You can get fooled by people when they are telling you things.


CallManager Express and CallManager can't be learned by just  taking a book and read it.

Thank you. : ITLAB

I know, but cureently i am only a student and in my school, i think i am the only one that know voip hence .... not a good idea too ....

Hello,

My advise if you want to learn IPTel:
1. Buy and read the book titled: "A Cisco AVVID solution, Cisco CallManager Fundamentals" by John Alexander, Chris Pearce, Anne Smith, Delon Wheeten"
2. For troubleshooting, you may want to refer to the book: "A Cisco AVVID solution, Troubleshooting Cisco IP Telephony" by Paul Giralt, Addis Hallmark, Anne Smith.
3. Off course, the most important thing is get your hands dirty with those CallManager server. Try install CallManager server, configure voice gateway either using H.323 or MGCP. Configure dial plan in CallManager (route pattern, partition, calling search space), and how to configure additional feature (extension mobility, address book, MLA). Furthermore, know how to configure QoS in Cisco switches, configure VG-248 and ATA for analog devices, configure SRST in your router to benefit user when there's WAN failure.
4. The real challenge will be when you try to integrate CallManager with other IP PABX system, e.g. AVAYA Definity, Nortel Symposium. Please carefully choose signaling protocol to make 2 different system work together as it's vendor proprietary.

Happy Learning and Practice

utan

look like i need to go into the company b4 i can do this ....

call manager software is cheap .... but the hardware alone is enough to kill me ....

any company want to hire me ???

Hello,

I have no idea where can you get Cisco CallManager software with a cheap price?? So far, as I know for MCS-7815 bundled with Cisco CallManager include 100 user license and 2 pair keys for security purposes cost you approximately US$ 9,000 (list price).
I don't see any way that Cisco only sell their Cisco CallManager software without the hardware.
Oh yes, btw you can install the CallManager on HP-DL360 or DL-380. Both of them are non MCS server, but Cisco approved those two servers can run Cisco CallManager software.
If you want to find a job in IP Tel, search in Cisco website and look for partner that is IP Communications certified. Then, visit their website, try your luck call the company asking whether they have an opening vacancy. Good luck

cheers

utan

[ITLAB]

Hi from ITLAB,


Remember VOIP is here to stay like it or not. You will be surprised to know how many jobs are out there in this area. If you are certified you will get a job, period. It is a new technology that is on the way for good, trust me.

Get certified and you let me know.


ItLAB.

[Arash Arzandeh]

Hello Guys

 

One Of the best choice for connecting CUCM  to PSTN lines is using elastix platform

Elastix is open source call manager app. and installed on pc , but you can buy PSTN card for elastix pc [(can install on pc)] and set PSTN TRUNK line between elastix and your pstn line , then route all your outgoing/incoming calls from/to pstn through elastix

Notice: You Can Use Powerful Elastix IVR system for welcoming on incoming calls .

 

this scenario is good for home labs.

 

ip phones --> CUCM --> elastix --> PSTN

 

but if you want to implement voice strategy in your office i prefer use voice enabled router for pstn lines

 

ip phones --> CUCM --> voice  enabled gateway (cisco 2821) --> pstn

 

 

 

Good Luck

Edited by Arash Arzandeh, 01 February 2013 - 08:55 AM.