--- title: "Is overhead paging supported on Grandstream ATA?" slug: "is-overhead-paging-supported-on-grandstream-ata" updated: 2026-05-17T17:28:44Z published: 2026-05-21T21:28:57Z canonical: "help.8x8.com/is-overhead-paging-supported-on-grandstream-ata" --- > ## Documentation Index > Fetch the complete documentation index at: https://help.8x8.com/llms.txt > Use this file to discover all available pages before exploring further. # Is overhead paging supported on Grandstream ATA? ## Question Is overhead paging supported on Grandstream ATA? ## Applies To - HT801 - HT802 - HT812 - HT813 - HT814 - HT818 ## Answer These Grandstream models all support FXS. The HT813 is the only model that supports FXO and it's only supported on port 2. If you have an FXO paging device, configure the assigned user to port 2 on your HT813 as shown in the image below: ![](https://cdn.us.document360.io/e3a59e39-abd3-4423-964c-0a4008dc5673/Images/Documentation/23970?sv=2026-02-06&spr=https&st=2026-11-03T22%3A20%3A16Z&se=2026-11-03T23%3A20%3A16Z&sr=c&sp=r&sig=bOK9cQ4RTwNFNFkWInWlX7dHWWyEvBODZ2Xy8lq24l4%3D)