---
id: object/table/5100
type: object
title: Table 5100 "Communication Method"
summary: Table 5100 "Communication Method" in Base Application (Microsoft.CRM.Contact). 7 fields. Present since at least BC23, still in BC30, changed in BC24, BC28.
tier: official
language: en
tags:
  - table
  - base application
versions:
  introduced: null
  last_changed: "28"
  deprecated: null
review:
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  by: null
  at: null
  flags: []
generated:
  at: "2026-10-11T00:31:51.816Z"
  pipeline: 0.2.0
  prompts: {}
  input_hash: 7fe5e830edfdc1a1928e460a33adb274bc2a26f08f4292324bdf8ac54e78712d
evidence:
  - kind: code
    url: https://github.com/microsoft/BCApps/blob/ea08af5ef2d6a9b5c5af4a029288abbe2c883220/src/Layers/W1/BaseApp/CRM/Contact/CommunicationMethod.Table.al
    title: src/Layers/W1/BaseApp/CRM/Contact/CommunicationMethod.Table.al (releases/29.x)
    date: null
    commit: ea08af5ef2d6a9b5c5af4a029288abbe2c883220
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links:
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object_type: table
object_id: 5100
name: Communication Method
namespace: Microsoft.CRM.Contact
app: Base Application
extends: null
first_version: "23"
last_version: "30"
present_in:
  - "23"
  - "24"
  - "25"
  - "26"
  - "27"
  - "28"
  - "29"
  - "30"
changed_in:
  - "24"
  - "28"
source_major: "29"
obsolete: null
countries: []
ms_search_form_ids: []
counts:
  fields: 7
  procedures: 0
  events: 0
  subscribers: 0
relations:
  out: 1
  referenced_by: 0
  pages: 1
  extended_by: 0
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  calls: 0
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---

# Table 5100 "Communication Method"

> Table 5100 "Communication Method" in Base Application (Microsoft.CRM.Contact). 7 fields. Present since at least BC23, still in BC30, changed in BC24, BC28.

Base Application · Microsoft.CRM.Contact · BC23-30 · [source at ea08af5e](https://github.com/microsoft/BCApps/blob/ea08af5ef2d6a9b5c5af4a029288abbe2c883220/src/Layers/W1/BaseApp/CRM/Contact/CommunicationMethod.Table.al) · facts from BC29

## Properties

| Property | Value |
|---|---|
| Caption | Communication Method |
| DataClassification | CustomerContent |

## Fields

Explanation: the field's ToolTip in the code; without one, the ToolTip of a page control bound to the field (marked via the page); without that, its Caption (marked caption) when that differs from the name.

| No. | Name | Type | Explanation | Notes |
|---|---|---|---|---|
| 1 | Key | Integer | — |  |
| 2 | Description | Text[100] | Specifies the description of the phone number or e-mail address. |  |
| 3 | Number | Text[30] | Specifies the telephone number. |  |
| 4 | Contact No. | Code[20] | — | TableRelation [Table 5050 "Contact"](../table/5050.md) |
| 5 | Name | Text[100] | — |  |
| 6 | Type | Enum "Contact Type" | Specifies the type of the contact to which the phone number is related. There are two options: | enum [Enum 5050 "Contact Type"](../enum/5050.md) |
| 7 | E-Mail | Text[80] | Specifies the contact's email address. |  |

## Keys

- Key1: Key (clustered)

## Relations

- Contact No.: TableRelation [Table 5050 "Contact"](../table/5050.md)

## Pages and codeunits on this table

- [Page 5145 "Contact Through"](../page/5145.md) (source table)

## Across versions

- Present in: BC23-30
- Changed (declaration) in: BC24, BC28

Source: AL metadata extracted from the code (names, ids, signatures, properties); no code bodies (D10).

## Ask your agent

Procedure bodies are not stored here (D10). For a procedure body or the calls of one procedure, ask bc-code-atlas (external, by Stefan Maron, MIT; default corpus w1-28), which the bc-observatory plugin connects: `bcatlas_resolve_node(object_type: "table", object_name: "Communication Method")`, then `bcatlas_get_procedure_body` or `bcatlas_get_neighbors` on the returned id.