Connecting Asterisk to Siemens Hipath 3750

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Asterisk Users 4 Comments

Hello Bobola, I’m using a Sangoma card with Siemens HiPath 3750 with ISDN
Protocol with configurations below:

Asterisk:
#zaptel.conf
span=1,1,0,ccs,hdb3,crc4
bchan=1-15,17-31
dchan=16
loadzone=us
defaultzone=us

#zapata.conf
[trunkgroups]

[channels]
language=pt_BR
context=default
switchtype=euroisdn
pridialplan=unknown
prilocaldialplan=unknown
facilityenable = yes
signalling=pri_cpe
;rxwink=300
usecallerid=yes
hidecallerid=no
callwaiting=yes
usecallingpres=yes
restrictcid=no
callwaitingcallerid=yes
threewaycalling=yes
transfer=yes
canpark=yes
cancallforward=yes
callreturn=yes
echocancel=yes
echocancelwhenbridged=yes
rxgain=0.0
txgain=0.0
group=1
callgroup=1
immediate=no
callerid=asreceived
musiconhold=default
group=1
channel=>1-15
channel=>17-31

In HiPath 3750 verify the fields:
Line/Network —> Trunks —> Parameters (inside the slot/trunk) —>ISDN
Flags —> Protocol Description —> T1/S2M: Euro-Amt PP (with CRC4) in your
case, but I don’t use CRC4 so my configuration is T1/S2M: Euro-Amt PP
without CRC, OK?
I hope this information help you.

Best Regards

Josue

2011/3/10 Bobola Oke

> Hello all,
>
> I am trying to connect asterisk to a Siemens Hipath 3750 PBX system.
>
> I have a physical connection issue. I know that I should use a crossover
> RJ48 cable to link the two systems. The problem however is that the physical
> interface of the Siemens system is very unfamiliar. From my digging around,
> I think that this is an S2M interface.
> http://www.mail-archive.com/asterisk-users@lists.digium.com/msg86298.html
>
>
> Please any suggestions on how to go about this?
>
> Thanks
>
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4 thoughts on - Connecting Asterisk to Siemens Hipath 3750

  • Hi guys
    Thanks alot for the support.

    I have successfully connected the HiPath3750 to the E1 lines and everything
    is working fine with the appropriate dial plans. I used Josue’s config and
    the info I got from here http://www.voip-info.org/wiki/view/Siemens+Hicom

    Well, not everything is working fine though.. The asterisk server seems to
    ‘generate’ the ringing tones as opposed to using the tones from the various
    other external numbers that I am calling. For example, if I call a phone
    number that is switched off, it rings for a while and then I get a service
    unavailable message on the IP phones. What can I do to get the normal “the
    number you have dialed is switched off”. I am in Nigeria if that information
    is useful in this situation.

    Thanks.

    Bobola

    2011/3/16 Bobola Oke

  • What does your Dial command look like? If you are using the ,r option,
    Asterisk will generate it’s own ringing noise even on a dead or busy line.

    _____

    [mailto:asterisk-users-bounces@lists.digium.com] On Behalf Of Bobola Oke
    Sent: Wednesday, March 30, 2011 11:36 AM
    Cc: Asterisk Users Mailing List – Non-Commercial Discussion

    Hi guys

    Thanks alot for the support.

    I have successfully connected the HiPath3750 to the E1 lines and everything
    is working fine with the appropriate dial plans. I used Josue’s config and
    the info I got from here http://www.voip-info.org/wiki/view/Siemens+Hicom

    Well, not everything is working fine though.. The asterisk server seems to
    ‘generate’ the ringing tones as opposed to using the tones from the various
    other external numbers that I am calling. For example, if I call a phone
    number that is switched off, it rings for a while and then I get a service
    unavailable message on the IP phones. What can I do to get the normal “the
    number you have dialed is switched off”. I am in Nigeria if that information
    is useful in this situation.

    Thanks.

    Bobola

    2011/3/16 Bobola Oke

    Hey Josue,

    Thanks alot. I will be expecting the configuration samples. From your
    response, I guess QSIG would be better for more functionality between the
    two PBXs then..

    Yes, this is my first implementation of asterisk and the support I have had
    from the mailing lists (some just by searching the archives) has been
    nothing short of wonderful. Thanks guys.

    Hoping to hear from you soon.

    Best regards,

    Bobola O. Oke

    2011/3/15 Josué Conti

    Hello Bobola, thanks for your response.
    So, I’m using Euroisdn with a Siemens HiPath 3750 and Qsig with Siemens
    HiPath 4000.
    Because we don’t need to “facility enable” in this case (HiPath 3750) just
    ANI interchange between user’s, ok?
    In another response I was send to you a configurations sample for Asterisk
    and Siemens may you look this?
    One more time, best regards and good luck in your project.
    If you need please contact us.

    Josue

    2011/3/14 Bobola Oke

    Thanks guys,

    I got the layer1 link up.

    Edwin, I will make a cable from this link that you have posted and see if
    that also works. Presently, I just did a ‘manual’ connect of the ends to get
    the layer1 up.

    Josue, many thanks for your response. Searching through this list archives,
    I see that you must have done alot of integrating asterisk with Siemens PBX.

    Guys, what do you advise I use for the upper layer protocols, QSIG or
    EuroISDN, to connect the asterisk PBX and the Siemens PBX? What are the pros
    and cons of using either protocol. Working sample configuration files are
    highly appreciated + what the PBX guy has to configure on the Siemens side.

    Thanks alot.

    On Fri, Mar 11, 2011 at 1:17 AM, Edwin Lam
    wrote:

    The telco has a DB9 terminated interface straight to the PBX and I cannot
    make
    sense out of the interface for the PBX. What kind of interface is this? How
    do I
    connect the RJ48 of the PRI cards to make this whole setting work.

    searching through this list’s archive and found this:
    http://lists.digium.com/pipermail/asterisk-users/2006-December/174258.html