I have a SPA-3102, how do I setup port forwarding and a static IP via my TL-WR541G / WR542G router?

Overview
Step 1: Login to the TP-LINK TL-WR541G / WR542G
Step 2: DHCP setup menu
Step 3: Check and reserve IP
Step 4: Setup Port Forwarding
Step 5: Setup port forwarding for SIP
Step 6: Setup port forwarding for RTP

Step 1: Login to your TP-LINK TL-WR541G / WR542G
  1. Start your web browser and type the private IP address of the Router in the URL field: http://192.168.1.1
  2. After connecting to the device, you will be prompted to enter username and password. By default, the username is admin and the password is admin.
Step 2: Check SPA-3102 IP address
  1. Go to DHCP > DHCP List
  2. Check if the SPA-3102 is connected and make note of the IP address and MAC address. In this partucular example, the SPA-3102 has an IP address of 192.168.1.100


Step 3: Reserve IP
  1. Go to Address reservation and enter the SPA-3102 IP address and MAC address into the fields below.
  2. Click Save to apply changes


Step 4: Setup Port Forwarding for engin
  1. Go to Virtual Servers
  2. Click Add New
Step 5: Setup Port Forwarding rule for SIP
  1. Enter Service Port: 5060
  2. Enter IP address: 192.168.1.100
  3. Enter Protocol: UDP
  4. Enter Status: Enabled
  5. Click Save
Step 6: Setup Port Forwarding rule for RTP
  1. Enter Service Port: 16384
  2. Enter IP address: 192.168.1.100
  3. Enter Protocol: UDP
  4. Enter Status: Enabled
  5. Click Save