[YMCS/YDMP Free Trial Program]Yealink would like to offer Free Trial Program of Yealink device management service for our current eligible customers. You can see the details below.
https://www.yealink.com/ydmp-freetrial-2020


Post Reply 
 
Thread Rating:
  • 0 Votes - 0 Average
  • 1
  • 2
  • 3
  • 4
  • 5
Ghost Calls from Port Scanning
Author Message
ctiefel Offline
Junior Member
**

Posts: 24
Joined: Nov 2013
Reputation: 0
Post: #21
RE: Ghost Calls from Port Scanning
(12-04-2014 07:24 AM)bnelson Wrote:  Remstar:

Changing to TCP an a non 5060 port has worked for us in stubborn scanner situations. Scanners are generally kinda lazy and don't hit TCP ranges...yet.

I too am having trouble getting sip trust control to work properly. It works great if we only use our registration server's A-record, but using DNS-SRV records for redundancy results in a rejection since the SRV record technically doesn't match the actual name of the server communicating. The A-records are being stored in the local DNS cache, and are provisioned into the cache manuallly.

Anybody had success using this feature? Shuffling ports, and suggesting higher power routers with a decent firewall are not always good options.

How is changing TCP port doing anything when SIP uses UDP?
12-04-2014 07:31 AM
Find all posts by this user    like0    dislike0 Quote this message in a reply
Post Reply 


Messages In This Thread
Ghost Calls from Port Scanning - ctiefel - 11-08-2013, 10:01 PM
RE: Ghost Calls from Port Scanning - Fuur - 11-25-2014, 07:01 PM
RE: Ghost Calls from Port Scanning - ctiefel - 12-04-2014 07:31 AM

Possibly Related Threads...
Thread: Author Replies: Views: Last Post
  W80 Emergency Calls with Locked Keypad sandro84 0 377 10-18-2021 07:57 PM
Last Post: sandro84
  Silencing / Rejecting Queue Calls asafayan 1 1,268 07-13-2021 03:45 AM
Last Post: complex1
  Share Wi/Fi to PC port kevins1701 1 1,945 04-07-2021 04:58 AM
Last Post: Yisroel_MongoTEL
  RTCP-XR MOS-CQ scores 0 on many calls CyVon 0 1,202 04-01-2021 04:18 AM
Last Post: CyVon
  Making calls without registration : T22P phatcow 3 7,604 02-09-2021 09:59 PM
Last Post: naveenhome64
  Calls to more than three participants? It's possible? Cimmerio 4 3,042 01-29-2021 10:13 PM
Last Post: Yisroel_MongoTEL
  Is there a way to stop incoming calls from being muted Janelle 0 1,537 11-16-2020 07:05 AM
Last Post: Janelle
  Direct IP Call Outside LAN with specific port BumbleBears 2 3,701 05-28-2020 02:13 PM
Last Post: Lewis-H
  IP Phone sometimes does not receive calls from my own mobile phone. willywonka 4 5,720 05-27-2020 01:12 AM
Last Post: willywonka
  Outgoing calls fail - Forbidden TotalNet 4 6,745 05-07-2020 08:30 PM
Last Post: TotalNet

Forum Jump:


User(s) browsing this thread: 1 Guest(s)

Contact Us   Yealink   Return to Top   Return to Content   Lite (Archive) Mode   RSS Syndication