Category Archives: Tech Tips

Best Practices for Securing Your Avaya IP Office

With the ever increased threat of hacking, it is very important to follow proper steps in securing your public facing devices. Breaches can occur from multiple fronts, i.e., allowing any SIP and VoIP traffic in your system, improper firewall configurations, and of course not changing default passwords. With Avaya IP Office, there are several steps in making sure your system is locked down as much as possible. Avaya has issued a technical bulletin on doing this with the following basics:

Review your existing installations and/or new deployments.  Determine any security risks and requirements then implement these changes:

  • Change security defaults and passwords
  • Remove any unnecessary accounts
  • Disable any unused services/interfaces
  • Enforce strict password policies
  • Make sure users and extensions are secure
  • Make sure trunks/lines are secure
  • Prevent and block unwanted Calls
  • Secure user voicemail and one-X Portal accounts
  • Block unnecessary and limit IP network exposure
  • Make sure management applications & configuration data are secure
  • Make sure servers running IP Office applications are secure
  • Activate reporting/monitoring of your system
  • Test for vulnerabilities
  • Install latest software updates/service packs

Even with these steps taken, you will want to continually monitor your alarms and logs to detect any unusual activity.  Always keep up with security advisories and make sure to keep your system up-to-date with the latest patches and upgrades.

Please read the document, Securing your IP Office Guidelines, for full detail on securing your IP Office.

 

How to Extend Analog Phone Line (POTS) through ethernet via SIP/VoIP (FXO/FXS)

There are some situations where you need to have an analog phone line where there are no existing cable runs except for a data network.  Or you may simply want to extend analog phone line(s) to a remote site.  No worries!  We have a solution for you that utilizes Grandstream SIP VoIP ATA’s and Gateways in Peer-to-Peer mode.  There are 3 different scenarios with appropriate solutions:

1) Peer-to-Peer using ATA’s only.  Click Here for the solution using Grandstream HT502 and HT503’s.

grandstream-p2p-ht

2) Peer-to-Peer using ATA’s and Gateways.  Click Here for the solution using Grandstream GXW’s and HT50x’s.

grandstream-p2p-ht-gxw

3) Peer-to-Peer using Gateways only.  Click Here for the solution using Grandstream GXW’s.

grandstream-p2p-gxw

These are 3 different examples of extending your analog lines (POTS) over a data network utilizing Grandstream’s cost effective solutions.  If you have any questions, feel free to contact any one of our The Telecom Spot representatives at 866-369-3394.

Factory Reset Guide for Yealink, Cisco, Polycom, Grandstream and Patton VoIP Products

Occasionally it is necessary to factory reset during troubleshooting and provisioning IP devices connected to VoIP phone systems.  Factory resetting is an alternative quick fix if a device is not working properly or if you are looking to follow an online guide from the same starting point. However, do be careful because all the localized settings on the device will be deleted when you factory reset.  See below for directions on factory resetting Yealink, Cisco, Polycom, Grandstream and Patton VoIP products.

Yealink T20P, T22P, T26P, T28P, T32G, and T38G:

  • Hold down the OK button for 10 seconds
  • Hit OK again to confirm the reset.
  • Alternatively, factory reset the phone with the Advanced Settings in the phone’s menu

Yealink VP530:

  • Navigate to Advanced Options on the touch screen (default password is admin)
  • Select Reset & Reboot which will open the factory reset menu.
  • Choose from Reset All, Reset Configuration, or Reset UserData.  Press the button next to Reset Now and press OK to confirm the reset.

Yealink W52P:

  • Log in to the web interface of the DECT base.
  • Navigate to Phone > Upgrade and then select Reset to Factory.

Cisco 303, 502G, 504G, 508G, 509G, and 525G2:

  • Select Option 14 in the phone menu to factory reset the phone.
  • Hit OK to confirm the reset.

Polycom IP 320, 321, 330, 331, 335, 430, 450, 560, and 7000:

  • Press and hold 1, 3, 5, and 7.
  • Enter the admin password to proceed with the factory reset.  The password is 456 by default.

Polycom IP 4000, 5000, and 6000:

  • Press and hold 6, 8, and *
  • Enter the admin password to proceed with the factory reset.  The password is 456 by default.

Polycom VVX 1500:

  • Press and hold 2, 4, and 6.
  • Enter the admin password to proceed with the factory reset.  The password is 456 by default.

Grandstream GXP 2000, 2010, and 2020:

  • Navigate to Menu > Config > Factory Reset in the phone menu.
  • Press OK to proceed with the factory reset.

Grandstream GXP 2100, 2110, 2120, 2124, 1405, 1400, and 1450:

  • Navigate to Menu > Config > Factory Reset in the phone menu.
  • Press OK to proceed with the factory reset.

Patton SmartNode 4110 series, 4300 series, 4400 series, 4520 series, 4940, 4950, 4960, 4970, and 5200:

  • Press the Reset button (left of the console port) for 5 seconds until the Power LED starts blinking.
  • The unit will restart with factory default configuration.

 

New Digium Switchvox 80 and 300 Series Appliances – Now Smaller and More Powerful

Digium recently released new Switchvox 80 and 300 series appliances for the SMB market, replacing the older Switchvox 65, 305 and 355 appliances.

The new Switchvox 80 and 300 series have updated technology, smaller form factor, green design and are competitively priced.  Switchvox 80 replaces 65, 310 replaces 305, and 360 replaces 355.  The older Switchvox appliances (65, 305, 355) are discontinued as of July 30th (limited stock remains, check with us for availability).

If you’re a current user of the older Switchvox appliances, you can upgrade by purchasing a cold spare of the appliance that you choose instead of purchasing Switchvox with the software license.  Then you can upload the last backup to the new appliance and be back up and running!  Just make sure the Switchvox software version is 5.7.1 or newer. The old appliance can be put to good use as a failover cold spare for your disaster recovery plan.

See which one of the Digium Switchvox appliances is the best fit for you via the convenient comparison chart below.  You can build your custom bundle via our easy system configurator or simply contact us today for quote!

Digium Switchvox Comparison

Click Image to Enlarge

*About Digium Switchvox phone systems:  Digium Switchvox offers a single powerful set of features you can afford.  You pay one low price for all its communication power – it’s an United Communication system that integrates all office communications including phone, fax, chat and web mash-ups.  Business that wants to do more than just talk can count on Switchvox to help them easily transition from simple telephony to a feature-rich UC solution.  Business users can improve productivity no matter where they are – on a mobile phone or in the office.