similar to: Multicast RTP Paging

Hi, I would need to bridge a SIP call with a multicast RTP channel. Both sides are receiving and transmitting RTP. Googling, I saw that an app_rtppage, which was in the SVN for a while and its not there anymore. It did, I think, only partly what I need (it sent from SIP to the mcast ... not the other way around), but it was a start. Any idea how to do this? I also could use

Hello everyone, A month ago I took on an issue on the Asterisk issue tracker (https://issues.asterisk.org/view.php?id=11797) dealing with multicast RTP paging. This is the ability to send audio to phones (the phone must support it) and have it played out the speakerphone. Using multicast RTP is great for this because it does not incur the cost and weight of setting up a potentially short call.

Has anyone done any large scale intercom deployments with Asterisk? I've been asked about building a system to one-way page 500 phones simultaneously from a single server. My concerns are: - My limited math capabilities suggest 41 Mbps of RTP traffic, which seems like a lot, plus asterisk would be taking a single input stream and exploding it out to 500 endpoints. - There are 500

I know this may be a bit off topic... I'm trying to play a pre-recorded message to a group of Aastra phones using multicast paging. I can page phone to phone without issue, but sending from one of my servers to the phones results in garbled audio. Anyone else been able to make this work without problem? My VLC command line is below. cvlc -v emergency-test2.wav --norm-max-level=5 --sout

Hi all, I have found the solution for getting Zultys handsets to accept paging messages. We need an app to send RTP packets with a codec of G711U to send to port 3771 on multicast dest of 224.0.0.1. There isn't any need to use SDP or SCCP packets to inform the phone to "listen" for those packets, they do it by default. Finally we may be able to get a solution going for Zultys

Hey all, after hooking up some Plantronics to some Snom's (3 320's 1 360), I noticed my client is having some form of feed back on the phone. Because of Snom's "inner oddities" this is how I got it to work. Plantronic --> RJ11 --> SnomHandset Port (on Snom Base) Handset --> Plantronic jack (bottom base in the front) If I placed Plantronic(RJ11) --> Snom's

Hi, I''m trying to route multicast between 2 LANs using a GRE tunnel. The setup is: B to C is a GRE tunnel running over PPPoE. B is the multicast router. A is on the same LAN as B. The same ethernet adapter is used for both the LAN and PPPoE connections. I''ve setup smcroute since I only need static routing. Multicasts sent from C (the remote machine) to B over the

How do the Multicast routers sniff IGMP/MLD messages from the network? I checked the XORP, pimd etc. Most of them just open a RAW socket with protocol set to IPPROTO_IGMP. But using this the router gets the packets addressed to 224.0.0.1 only. How does it receive IGMPv2 and IGMPv3 membership reports sent by other hosts? Thanks, Sachin

Hi, I am trying to set up a uPnP server on a Linux box (Debian Sarge Stable kernel 2.6.8). uPnP works using multicast packages for locating servers. This does however seem to fail unless I set the relevant NIC in promiscuous mode. If I do so, it works well. I have added ip route add 224.0.0.0/4 dev eth0 and echo 1 >/proc/sys/net/ipv4/ip_forward and the kernel is set up to enable

I am trying to get multicast traffic to traverse 3 different subnets call connected to the same linux router. This is primarily to get rendezvous/zeroconf services working for Macs on the network. Being able to experiment with the VideoLAN client''s multicasting abilities would be a bonus. I see that rendezvous sends out packets with a TTL of 1 and expects them back with a TTL of 255 so

Hi, I''m investigating getting iTunes sharing to work within a VPN. Does anybody know where I could find some documentation on forwarding mDNS packets between two subnets connected by two Linux routers? The LARTC guide just stops mid chapter. Thanks, James. The information in this email is confidential and may be legally privileged. It is intended solely for the addressee. Access

Hi, I have problem with multicast routing on my network. I tried mrouted and also pimd, but always same problem. When I set mrouted or pimd on one router, everything works fine, but when I start mrouted/pimd on another one, routing die. In moment when I start anorher mrouted/pimd /proc/net/ip_mr_cache is cleaned. My topology: gateway (no mrouted/pimd)

Hi, Anybody know anything about multicast routing? :) I see the HOWTO is rather lacking in this area... On my home network, I have multiple subnets attached to my router. I''d like multicast packets on either interface to be distributed on the other interface. (For context, this is to get Apple''s Rendezvous protocol to work across multiple subnets). I thought this should be

Hi, I have been reading: http://lartc.org/howto/lartc.multicast.html in effort to understand how to route multicast traffic and just joined the group. History: I am trying to multicast mpeg (using the videolan server) on a private network. The server side of the network is copper gigabit, which connects to one of those cheap fast Ethernet switches with a single gigabit uplink. The problem

Hello all, As several of you have asked, tftp-hpa isn't likely to support multicast TFTP any time soon, because such support would require some very fundamental structural changes which would be very much against the goal of keeping tftp-hpa "psycho portable", as I like to say. However, I'm playing with the possibility of supporting multicast TFTP (the RFC version, not the

Hi, The tftpd can not handle a request with the multicast option set. If the request has additional options eg. blksize, all options are discarded and a oack is newer sent. The client works fine with the atftpd server. I am not after an implementation of the multicast feature. However, the server should not discard the other options. Any thoughts about this? Regards, Robin Theander. --

Hi All, As it is written in the "Linux 2.4 Advanced Routing HOWTO" GRE tunneling has some benefits compare to IP-in-IP, on of it benefits is the ability to transport multicast traffic through a GRE tunnel. I used the mrouted daemon and I know that the daemon supports tunneling but I don''t want to use its tunneling method. Assuming I have gre0 as my tunneling device I did the

Anybody can answer my question regarding multicast routing. i have read Linux 2.4 Advanced Routing HOWTO and i have some question about multicast routing. I have two network to route between. Can you give me some tips to configure the routing table. I have two LAN connecting each other through Linux Box. Box A eth0 : internet Add eth1 : local subnet (192.168.0.0) Box B eth0 : 192.168.0.15 eth1

What steps would be necessary to set up multicast forwarding through Shorewall? Sincerely, Mike Schurman michaels@netnitco.net

Network frontends currently have no way to express the set of ethernet multicast groups that they are interested in. As a consequence we deliver all multicast traffic to them. A subsequent consequence is that network interfaces used in the IO domain typically end up in promiscuous mode, which is generally undesirable. I''d like to slightly extend the inter-domain protocol to allow