Hello, I’m having a very frustrating issue getting my new 7962G phones to register to my FreePBX Distro. Phone boots up, appears to pull down the SEPmac.cnf.xml file, loads, then hangs at registering. I’m unable to make/recieve calls from these phones.
Originally, I thought I had a TFTP server issue, because I was unable to see the phone getting any files from the server. Running nmap -sU localhost didn’t list port 69 as being open. I messed with iptables and ultimately shut the firewall off for now, but nmap still doesn’t show port 69 being open. I still couldn’t use WinSCP to access the server, saying “Server actively refused connection”, so I began investigating xinetd and the conf files. According to all the info I can find, everything is as it should be. I’ll post the conf files here at the end of the post.
So finally I learned how to do a tcpdump -vv src 10.0.0.71 && dest port 5060 and watched for traffic from my phone. There were registration attempts from the phone, and some replies. I made sure the logins/passwords were correct in the SEPmac.cnf.xml file and kept trying. No luck.
Randomly I decided to try accessing the system through the softphone on my android. Interestingly enough, it registered and worked just fine on tcp. When I changed it to use udp, it quit and said “Could not register with server 10.0.0.10 because the peer actively refused it.” I don’t know what that means, but i’ll guess that’s a big part of my problem.
FreePBX Firmware: 4.211.64-7
Asterisk Version: 11.7.0
7962G Versions
Load File: *term62.default*
App Load ID: jar42sip.9-3-1ES26.sbn
JVM Load ID: cvm42sip.9-3-1ES26.sbn
OS Load ID: cnu42.9-3-1ES26.sbn
Boot Load ID: tnp62.8-3-1-21a.bin
[root@localhost ~]# tcpdump -vv src 10.0.0.71 && dst port 5060
tcpdump: listening on eth0, link-type EN10MB (Ethernet), capture size 65535 bytes
18:27:32.486453 ARP, Ethernet (len 6), IPv4 (len 4), Request who-has 10.0.0.71 tell 10.0.0.71, length 46
18:27:32.486582 ARP, Ethernet (len 6), IPv4 (len 4), Request who-has 10.0.0.1 tell 10.0.0.71, length 46
18:27:32.497817 IP (tos 0x0, ttl 64, id 0, offset 0, flags [none], proto UDP (17), length 576)
10.0.0.71.bootpc > 255.255.255.255.bootps: [no cksum] BOOTP/DHCP, Request from 00:24:c4:44:72:d3 (oui Unknown), length 548, xid 0x9b5, Flags [Broadcast] (0x8000)
Client-Ethernet-Address 00:24:c4:44:72:d3 (oui Unknown)
Vendor-rfc1048 Extensions
Magic Cookie 0x63825363
DHCP-Message Option 53, length 1: Request
Client-ID Option 61, length 7: ether 00:24:c4:44:72:d3
Hostname Option 12, length 15: "SEP0024C44472D3"
Vendor-Class Option 60, length 38: "Cisco Systems, Inc. IP Phone CP-7962G^@"
Requested-IP Option 50, length 4: 10.0.0.71
Parameter-Request Option 55, length 7:
Subnet-Mask, TFTP, Domain-Name-Server, Default-Gateway
Domain-Name, Option 150, AT
18:27:32.545088 ARP, Ethernet (len 6), IPv4 (len 4), Request who-has 10.0.0.71 tell 10.0.0.71, length 46
18:27:32.545218 ARP, Ethernet (len 6), IPv4 (len 4), Request who-has 10.0.0.1 tell 10.0.0.71, length 46
18:27:53.613806 ARP, Ethernet (len 6), IPv4 (len 4), Request who-has 10.0.0.10 tell 10.0.0.71, length 46
18:27:53.614061 IP (tos 0x0, ttl 64, id 1, offset 0, flags [none], proto TCP (6), length 44)
10.0.0.71.52168 > 10.0.0.10.6970: Flags [S], cksum 0x4307 (correct), seq 1777979466, win 8192, options [mss 1340], length 0
18:27:53.663276 IP (tos 0x0, ttl 64, id 2, offset 0, flags [none], proto UDP (17), length 59)
10.0.0.71.50253 > 10.0.0.10.tftp: [udp sum ok] 31 RRQ "CTLSEP0024C44472D3.tlv" octet
18:27:57.882064 IP (tos 0x0, ttl 64, id 3, offset 0, flags [none], proto TCP (6), length 44)
10.0.0.71.52478 > 10.0.0.10.6970: Flags [S], cksum 0x6903 (correct), seq 1471920982, win 8192, options [mss 1340], length 0
18:27:57.921492 IP (tos 0x0, ttl 64, id 4, offset 0, flags [none], proto UDP (17), length 60)
10.0.0.71.49511 > 10.0.0.10.tftp: [udp sum ok] 32 RRQ "SEP0024C44472D3.cnf.xml" octet
18:27:58.613457 ARP, Ethernet (len 6), IPv4 (len 4), Reply 10.0.0.71 is-at 00:24:c4:44:72:d3 (oui Unknown), length 46
18:28:07.103549 IP (tos 0x0, ttl 64, id 5, offset 0, flags [none], proto TCP (6), length 44)
10.0.0.71.50870 > 10.0.0.10.6970: Flags [S], cksum 0x5514 (correct), seq 9907378, win 8192, options [mss 1340], length 0
18:28:07.173178 IP (tos 0x0, ttl 64, id 6, offset 0, flags [none], proto UDP (17), length 49)
10.0.0.71.50669 > 10.0.0.10.tftp: [udp sum ok] 21 RRQ "dialplan.xml" octet
That's as far as it ever gets. It times out and the phone just sits there.
Here’s the TFTP Config:
[root@localhost ~]# cat /etc/xinetd.d/tftp
default: off
description: The tftp server serves files using the trivial file transfer \
protocol. The tftp protocol is often used to boot diskless \
workstations, download configuration files to network-aware printers, \
and to start the installation process for some operating systems.
service tftp
{
disable = no
socket_type = dgram
protocol = udp
wait = yes
user = root
server = /usr/sbin/in.tftpd
server_args = -s /tftpboot -V
per_source = 11
cps = 100 2
flags = IPv4
}
SEP0024C44472D3.cnf.xml
dialplan.xml
I hope i’ve provided enough info for you to help me out on this one… I’m lost. If you need anything else, let me know what and where to find it and i’ll get it up here as quick as I can. If you spot any errors, please help me correct them, as I’m relatively new to this.
Thank you!