Cisco Switching/Routing :: Q931 / ISDN BRI Branch Connecting To ISDN E1 At Central Site?
Jun 6, 2012
I have senario where 15 branches via bri connection to central ISDN E1 Pri Head office.The setup is working before and suddenly branches not able to dial head office.Below is the debug q931 logs from branch router and i am getting continous "channel not avalible message on Head office
Branch router logs
*********************************************************************************************
hmc#isdn test call interface bri 0/0/0 44492999
hmc#
007049: Jun 6 14:41:39.497 gmt: ISDN BR0/0/0 **ERROR**: handle_l2d_srq_mail: Layer 1 inactive
007050: Jun 6 14:41:39.721 gmt: %ISDN-6-LAYER2UP: Layer 2 for Interface BR0/0/0, TEI 78 changed to up
007051: Jun 6 14:41:39.721 gmt: ISDN BR0/0/0 Q931: Sending SETUP callref = 0x002E callID = 0x84BC switch = basic-net3 interface = User
007052: Jun 6 14:41:39.721 gmt: ISDN BR0/0/0 Q931: TX -> SETUP pd = 8 callref = 0x2E
[code].....
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Feb 21, 2011
our client are using PSTN (modem) and is dialing up to our ftp box which is using ISDN (TA). according to them, they not facing any problem to dial up to other vendor which is using the same network infra (PSTN to ISDN). but, unfortunately in wont happen in my case which they (client) keep receiving the busy tone when they dialing to our ISDN no. i've set in our TA to accept both digital and analog calls and i'm using the DSS1 protocol which been told by our line provider.
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May 17, 2012
Trying to migrate the config run on IOS 12.1 to 12.2 ?It seems there's no snmop traps isdn command support on 12.2.
where i can enable trap on ISDN over IOS 12.2 (33) sxj1 running on C6500 chassis?
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Oct 16, 2012
I'm trying to dial a Cisco 1841 BRI from my Cisco 2811 PRI. I'm getting a few errors but not sure what else to do to correct the issue. Config & Logs below from 1841:
interface BRI0/0/0no ip addressencapsulation pppdialer pool-member 2isdn switch-type basic-niisdn point-to-point-setupno cdp enableppp authentication chap callin
00:26:44: ISDN BR0/0/0 Q931: RX <- SETUP pd = 8 callref = 0x46 Bearer Capability i = 0x8890 Standard = CCITT Transfer Capability = Unrestricted Digital Transfer Mode = Circuit Transfer Rate = 64 kbit/s Channel ID i = 0x89 Signal i = 0x40 - Alerting on - pattern 0 Called Party Number i = 0xC1, '452####' Plan:ISDN, Type:Subscriber(local) Locking Shift to Codeset 5 Codeset 5 IE 0x2A i = 0x808001039E05, 'From ', 0x8B0C, '214 ###-####', 0x8001, '<'00:26:44:
[Code]....
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Sep 25, 2012
I have Cisco 800 series (888w) with BRI-ISDN port. Is there any way to change the usage of ISDN port to normal RJ45 port?I want to use this SOHO router to sharing connection.
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Jan 21, 2013
connecting PRI to BRI interface on ISDN. I have all this information provided by the TELCO and i have configured it but due to some reason i am not able to connect them. I have given the questions with answers provided by the TELCO. I am also providing the running configuration of the PRI interface and also the error message i am getting when trying to test call itself.
1. Is the PBX designed for Pre-National or NI-2 protocol? -
Protocol using C7MATL
2. Are there any DID station numbers that your CPE cannot accept? -
No
(i.e. 0 or 9 in the 4th position)
3. Which carriers will be your choices for your PIC and LPIC? -
Carrier using DChannel
[code]....
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Aug 28, 2012
I'm trying to configure 2 routers (cisco 886) to create a link between them via ISDN link (in france) but it doesn't work
I think I put a base conf but nothing work :
LAN 1 (192.168.220.0/24) => BRI0 (172.23.240.1) Cisco 886 <= ISDN => BRI0 (172.23.240.2) Cisco 886 => LAN 2 (192.168.255.0/24)
both conf are about the same (not IP and phone number) :
...
interface BRI0
ip address 172.23.240.1 255.255.255.0
encapsulation ppp
dialer idle-timeout 600
dialer string xxxxxxxxxxxxx
dialer-group 1
isdn switch-type vn3 (code)
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Aug 12, 2011
Where you get get a modern ISDN modem with at least 4 channels? I am 2 miles from Cable and .5 miles from dsl.ISDN is the only option cause I play games online. Would 256K or 128K Up and Down be enough for playing FPS games on xbox live? I cant find any ISDN modems that are new. Only used ones on ebay that I dont know would work on windows 7.
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Jun 4, 2011
I have a Cisco 2800 series router with E1 PRI module at Head Office,and Cisco 786 with single ISDN BRI port,When I dial from either side only one B channel is up ,means 64 K only.
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Aug 5, 2012
I have a problem with ISDN BRI-1B-S/T-V3. In the documentation I read: "The ability to add BRI connectivity via a WLC lets administrators maximize valuable slot space while it provides additional connectivity options, such as Ethernet, on the same module." Does it mean that I can plug in the module Ethernet and it will work? I ask, because i have CISCO 1571-V router with this isdn module, i get the internet from Ethernet, and i wonder is there any possibility to use this module as WAN.
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Oct 21, 2011
Both of these ISDNs are up, this gives us 4 channels. Someone said they recieved a busy tone when they attempted to dial out. I looked over the system and seen there are two outbound pots dial-peers. Each dial-peer references one of the BRI ports. The preferences are the same on each dial-peer. I think what is happening is that the system is randomly selecting one of the dial-peers due to the preference, even if both channels of the BRI are in use. How does the system know if that port has both channels in use? I've not used ISDN before, so tried to enter the B-channel sub interface and the system (UC500) tells me I cannot do this. I was thinking about adding each channel into a trunk group and then referencing the trunk group in the dial-peer. I can obviously add both BRI's into one trunk group.
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Jun 12, 2011
What is the maximum possible ISDN calls on Cisco 7206VXR router using PRI links and PRI supported cards.
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Dec 4, 2011
Can I use module vwic2-1mft-g703 for ISDN PRI?
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Jan 11, 2011
Now I am tring to setup Cisco 1812j with ISDN Line.
Here is what I connect the device. (I am in Japan)
ISDN Line (NTT east) >> DSU(NTT east INS Mate V30Slim with S/T port) >> Cisco 1812j(S/T)
On DSU setting I enable DSU and Disable Terminator.
First of I would like to test outbound call. Here is the config.
interface BRI0 ip address 192.168.92.2 255.255.255.0 encapsulation ppp dialer map ip 192.168.92.1 name Router1 broadcast 080********(Cell Phone Number) dialer-group 1 isdn switch-type ntt isdn point-to-point-setup ppp authentication chap ppp chap password 0 CISCO ip route 10.92.0.128 255.255.255.248 BRI0 192.168.92.1
Then I test by ping with #debug dialer. #ping 10.92.0.129
And I could not receive a call by my cell phone landline either.
Here is the debug.
[Code]....
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Nov 19, 2012
I am trying to move my ISDN dialup branches authentication/authorization from old ACS 4.1 to ISE appliance. Before it was through ACS 4.2 with TACACS protocol but now since we are moving to ISE we are moving them to ISE with radius.
Problem is that isdn client gets authenticated and authorized but calls get dropped and they dont able to communicate with HO. IP address is assigned by Head End router to all remote isdn dialing branches..
I have used default "PermitAccess" in authorization policy and authentication policy is also default. I dont understand where I am going wrong as authentication and authorization is sucessful.
aaa authentication ppp default group radius local
aaa authentication network default group radius
aaa accounting network default start-stop group radius
radius-server host 12.18.22.41
radius-server key *****
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Aug 8, 2011
I will install in the next days a 886VA router (VDSL over ISDN using PPoE). Since I have no possibility to verify the VDSL config, this is what i prepared. Is this config OK (only VDSL part) ?
controller vdsl 0
operating mode auto
interface Ethernet0
[ code]...
For VDSL over ISDN the interface Ethernet0 must be used instead of ATM . Is this config correct ?
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Dec 7, 2011
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Mar 1, 2005
I have a 2600 with a PRI card, when I try to do an isdn test call int s1/0:23 ######### the debug constantly comes back with "Cause i = 0x83E020 - Mandatory information element missing" Vendor states he doesn't see the SDN 'flag' coming through. I have both the isdn nsf-service, and the dialer map configured to use a class with the outgoing sdn command.
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In normal time the routers are using the SHDSL to Fiber optic connectitivty for communication. This has already been configured and is working. Now, there is a need to implement a backup connection between these sites such that in case the SHDSL or fiber optic connectivity fails, the routers should automatically dial up the backup ISDN connectivity so as to ensure business continuity.
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Mar 6, 2013
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Mar 3, 2013
what difference is between these two ports?
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Jun 13, 2011
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