What does SRST mean on a Cisco phone?
Survivable Remote Site Telephony
SRST. Survivable Remote Site Telephony (SRST) is a Cisco Unified Communications Manager (CUCM) call processing backup mechanism that allows Cisco IP phones to register to a Cisco router.
How do I register my Cisco IP Phone?
- Step 1 In Cisco Unified Communications Manager Administration, select Device > Phone, then click Add New.
- In the Add a New Phone window, select your phone model in the Phone Type field, then click Next.
- In the Phone Configuration window, select the protocol type for your device in the Select the device protocol.
How do I enable Srst on Cisco router?
It will cover how to activate the CME/SRST feature license.
- Go to global configuration mode. Issue the config t command.
- Issue the telephony-service command.
- Issue the max-dn and max-ephone commands.
How do IP phones register?
IP Phone Registration Process(SIP/SCCP)
- SCCP phone obtains the Power (PoE or AC adapter).
- The phone loads its locally stored firmware image.
- The phone learns the Voice VLAN ID via CDP from the switch.
- The phone uses DHCP to learn its IP address, subnet mask, default gateway and TFTP server address.
How do I register a Cisco device?
AFAIK, you can go to www.cisco.com and chose “Register” link (upper right corner on the main page). Then you fill the form (including chosing your login ID and password) and get a basic access to the Cisco web pages. You should ask your Cisco reseller to provide you with a PICA code.
How do I enable CME SRST?
Why is my Cisco phone not registering?
These are several of the issues that might cause a Cisco IP Phone not to register: Auto-registration is disabled on Cisco CallManager. The Cisco IP Phone is not receiving the DHCP server address. The Cisco IP Phone is not receiving the IP address, subnet mask or default router address.
How can I troubleshoot SIP registration?
Check edge router configuration to ensure that NAT issues are not the problem. Check firewall rules and verify that they are not blocking SIP messages. Check local DHCP server options are being provided for that scope of IP addresses, as needed. Check that the DNS service is functioning at the remote site.
How do you register a device?
To register a new device: Tap the menu icon. Tap anywhere in the section containing your name and profile picture. Tap DEVICES. Tap on Register Device.
How do I register a device in Cisco portal?
This article describes the process of adding a device to a Cisco account in License Registration Portal (LRP). Step 1: Go to Cisco Software Central and log in with your Cisco.com account. Step 2: In the Traditional Licenses section, click Access LRP. Step 3: On the Devices tab, click Add Devices.