Steps To Fix The Fxs Debug Port

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    You may encounter an error specifying the fxs debug port. There are several steps you can take to fix this problem, so let’s talk about them now. FXS stands for Foreign Exchange Subscriber, a port that connects a router or access server to end user devices such as desktop smartphones, fax machines, or modems.


    This document discusses the ports of a Currency Exchange Station (FXS) and a Currency Exchange Office (FXO) and how they work. Specifically, it describes how calls are forwarded back and forth between dual ports. It also discusses how to configure the various human ports components and how to troubleshoot them.




  • Analog basics
  • Used Components

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  • The information in this particular document is based on the following electronic and software versions:

  • ISR4451-X/K9
  • NIM-2FHO
  • IOS XE 16.8.2
  • How do I read a debug VOIP Ccapi Inout?

    The debug voip ccapi inout EXEC command traces the execution path only through the call control API, which serves as an interface between the Reach Session application and the network-specific underlying software. You can use the output of this command to find out exactly which calls are handled by the router, I would say.

    The information in this document was created using real devices in a specific analysis environment. All devices used only in this document started with remote setup (default). If your network is normally active, make sure you understand the specific potential impact of the order.

    FXS/FXO Basics

    Transfer Basics

    FXO/FXS is a repeatA floating analog circuit used to deliver one analog phone line to your home office.

    An FXO port (or device) is a device attached to a channel that unfortunately has the ability to hang up/off-hook and transmit digits as soon as the handset is off-hook to initiate a call when the port is normally off-hook. closed, even if the connection is considered good, the circuit is open. It connects one of them to FXS on the app page.

    How do I troubleshoot Cisco voice gateway?

    Show dial plan number.Check the language translation Contact us by phone in active voice compact.Debugging ISDN q931.Debugging ccsip messages.debug dialpeer above.View a summary of the voice ports.Show CCM manager.

    Like your carrier’s FXO port termination lines, you should also treat them as analog phones or fax/modems.

    The FXS port is simply a device that plugs into the circuit and provides an audio signal and even a ringtone to power the FXO device. The FXS port connects the gateway to devices such as telephones, fax machines, and even modems. The FXS port actually uses 2 wires (tip and ring) for both signaling and audio streaming on a given call. This 3-wire pair can finally power, call and dial.

    The Basic Order Is Loudin

    In order to better understand how to mend and mend these two types of pots, you must first look at how a real bell is built on them. This section shows the flow of an analog call from the moment both endpoints hang up until the moment two conceptual audio signals are present.

    As with all calls, the FXS port starts with a local connection to the handset without overusing both endpoints:

    If one of the devices picks up the phone, the circuit is closed and a tone is sent from the FXS port to the FXO device:

    debug fxs port

    As soon as the device that has already initiated the call picks up the phone, dialing starts with pulses or tones:

    After dialing, the calling device directs it accordingly. After the call is transferred, the remote device is informed of the call it answered, and the device that answered the call is played with a beep:

    As soon as the remote device answers my call, its circuit is also closed, at which point the call is connected to two-way audio:

    The previous demo is a basic process from the beginning to the end of a call. And then behind the scenes of this FXS opening, there’s more going on to report on the phone surrounding each of its status calls. The following section discusses the 4 most common signaling methods used with FXS ports on Cisco analog gateways.

    Signaling The Start Of A Loop

    What two analog ports must be connected together to receive dial tone?

    Similarly, a line from the FXS port must be connected to the FXO port for the Net-Link connection to work. When your analog phone’s FXO fan is plugged into an FXS port in a dedicated wall, you get service (FXS) from the phone company – and you only hear a beep when you pick up the phone.

    Start of cycle signaling may be the most common method of admission signaling in a standard, analog, or incoming public switched telephone network (PSTN) to connect a number of devices to your network. Most home phones tend to be analog loopback phones based on the local loop concept you saw earlier. A loop is an electrical communication channel consisting of two wires, one for receiving and the other for receiving voice signals.

    The two wire program is still called tip and ring, with the target attached to the bottom and each ring attachedAttaches to the side of the battery. When the number goes off-hook (disconnected), this action closes the signal and creates a loop between some kind of FXS and the phone port. Current flows from the battery to the analog port, indicating a new state change. This state change signals the detector current inside the analog connector to provide a switching signal. Inbox

    The call is transferred to the handset using the popular on/off pattern, causing the phone to ring.

    VPM Signaling During An Outgoing Call

    debug fxs port

    For a better understanding of what the activity logs look like for an outgoing high power call on the FXS port, these logs are annotated so you can clearly identify the part of the call.

    007578: Jul 3 09:15:50.655: %SYS-7-USERLOG_DEBUG: message id: tty867 (user): DEPTH007579: Jul 4 09:15:51.903: htsp_dsp_message: SEND_SIG_STATUS: status=0xC timestamp=62909 system=6970515007580: Jul 2 09:15:51.903: [0/3/0, htsp_process_event: FXSLS_ONHOOK, E_DSP_SIG_1100] fxsls_onhook_offhook htsp_setup_ind007581: Jul 2 09:15:51.903:[0/3/0] get_local_station_id call number=caller name=dial time=07/02 09:15 original call=007582: Just nowJul 09:15:51.904: htsp_process_event: [0/3/0, E_HTSP_SETUP_ACK]fxsls_check_auto_call007583: fxsls_wait_setup_ack, Jul 2 09:16:00.%SYS-7-USERLOG_DEBUG: 879: Message from tty867 (user id: ): SET 2002007584: Jul 09:16:02.261: htsp_digit_ready(0/3/0): digit = July 2007585:2 09:16:02.734: htsp_digit_ready(0/3/0): digit 0007586: means 2 Jul 09:16:03.005: htsp_digit_ready(0/3/0): digit means 0007587: Jul 2 09:16:03.438: htsp_digit_ready(0/3/0): problem 2007588 := Jul 2 09:16:03.439: htsp_process_event: FXSLS_OFFHOOK, [0/3/0, E_HTSP_PROCEEDING] htsp_alert_notify007589: Jul 09:16:08.241: %SYS-7-USERLOG_DEBUG: Message from tty867 (user id: RING): BACK007590: Jul 2 09:16:10.621: htsp_call_bridged call007591: Jul 2 09:16:10.665: htsp_process_event: [0/3/0, FXSLS_OFFHOOK, E_HTSP_CONNECT] fxsls_offhook_connect007592: Jul 09:16:10 2.665: [0/3/0] nim_set_sig_state: ABCD=6, timestamp=0, sys_time=6972391007593: Jul 09:16:10 2.665: [0/3/0] Set status signal implies timestamp 0x6=0007594: July not one but two 09:16:10.667: htsp_process_event: [0/3/0, FXSLS_CONNECT, E_HTSP_VOICE_CUT_THROUGH]fxsls_voice_cut_thru007595: Jul 09:16:20.815: %SYS-7-USERLOG_DEBUG: message after tty867 (user id: ): TWO AUDIO007596: Gone Jul 2 09:16:37.503: %SYS-7-USERLOG_DEBUG: Message created by tty867 (userid:): HANG007597: July just 09:16:39.794: htsp_dsp_message: SEND_SIG_STATUS: status=0x4 timestamp=45260 systime=6975304007598: July

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