The following diagram illustrates common Q.931 transactions during a successful ISDN call setup. There can be many variations in the Q.931 exchanges due to specific requirements for ISDN switch types or in cases where additional parameters are required.
Both routers will generate debug isdn q931 messages. This should initiate an ISDN call to that router. Generate an ICMP ping to the remote router IP address. Maui-soho-01(config)# service timestamps log datetime msecįor more information on debug commands refer to Important Information on Debug Commands. Note: Activate millisecond timestamps for debugs using the following commands: maui-soho-01(config)# service timestamps debug datetime msec The timestamps are necessary to provide relative input to the troubleshooting process. You should also have millisecond timestamps for debugs enabled on both routers. Use the command debug isdn q931 on both ends to activate ISDN Layer 3 debugs. Troubleshooting Prerequisites: Activating ISDN Layer 3 debugs Conventionsįor more information on document conventions, see the Cisco Technical Tips Conventions. If you are working in a live network, ensure that you understand the potential impact of any command before using it.
All of the devices used in this document started with a cleared (default) configuration. The information presented in this document was created from devices in a specific lab environment. This document is not restricted to specific software and hardware versions. There are no specific requirements for this document. Refer to Using the show isdn status Command for BRI Troubleshooting for more information on verifying ISDN Layer 1 and 2 status.
This document also assumes that you have verified that ISDN Layers 1 and 2 on both ends of the circuit are functioning. This document specifically focuses on ISDN related issues that cause call failures. Point-to-Point Protocol (PPP): including link control protocol (LCP), Authentication or IP Control Protocol (IPCP) related issues. Let fut = actix::fut::wrap_future::(fut) Ĭtx.add_stream(reader.map(|l| Ok(Line(l.When troubleshooting ISDN call failure issues, it is important to keep in mind that the call could be failing due to any of the following: Working snippet:įocus on the match case Ok(ws::Message::Text(text)) /// Handler for `ws::Message`įn handle(&mut self, msg: Result, ctx: &mut Self::Context) ", status) I'll start with showing a compiling snippet of the web socket handler, then a failing snippet of the handler, then for reference the full code example. I have made some progress with this, using into_actor().spawn(), but I am struggling to access the ctx variable inside the async block.
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