diff --git a/src/assets/locales/de/main.json b/src/assets/locales/de/main.json
index 7cdedd29b..a3487e5cb 100644
--- a/src/assets/locales/de/main.json
+++ b/src/assets/locales/de/main.json
@@ -1308,7 +1308,11 @@
         "providerPhoneContact": "Provider Phone Contact",
         "pleaseEnterValidHomePageURL": "Please enter a valid url - eg: https://catena-x.net",
         "pleaseEnterValidEmail": "Please enter a valid Customer Contact E-Mail",
+<<<<<<< HEAD
         "pleaseEnterValidPhone": "Bitte geben Sie eine gültige Kundenkontakt Telefonnummer ein",
+=======
+        "pleaseEnterValidPhone": "Please enter a valid Customer Contact Number",
+>>>>>>> e39c0f9e (new: introduced new field of customer contact in service)
         "pleaseEnterValidContact": "Bitte fügen Sie eine gültige Telefonnummer im folgenden Format hinzu: „+ xx xxxx xxxxxx“, „+ xxx xxxx-xxxx“, „+xx xxxxxxxxxx“. Hinweis: Es sind weitere Formate zulässig. Die genannten Formate sind die am häufigsten verwendeten Formate.",
         "privacyInformation": "Privacy Information",
         "privacyInformationDescription": "The privacy information is used to display data types the app may collect on the app detail page. You may select several options OR select “none”.",
diff --git a/src/assets/locales/en/servicerelease.json b/src/assets/locales/en/servicerelease.json
index d542a9021..3941750ff 100644
--- a/src/assets/locales/en/servicerelease.json
+++ b/src/assets/locales/en/servicerelease.json
@@ -53,7 +53,11 @@
     "providerContactPhone": "Customer Contact Phone",
     "pleaseEnterValidHomePageURL": "Please enter a valid url - eg: https://catena-x.net",
     "pleaseEnterValidEmail": "Please enter a valid Customer Contact E-Mail",
+<<<<<<< HEAD
     "pleaseEnterValidPhone": "Please enter a valid Customer Contact Phone Number"
+=======
+    "pleaseEnterValidPhone": "Please enter a valid Customer Contact Phonenumber"
+>>>>>>> e39c0f9e (new: introduced new field of customer contact in service)
   },
   "step3": {
     "headerTitle": "Agreements and Consent",
diff --git a/src/components/pages/ServiceReleaseProcess/components/ServiceDetails.tsx b/src/components/pages/ServiceReleaseProcess/components/ServiceDetails.tsx
index 93e8535cd..abd91e907 100644
--- a/src/components/pages/ServiceReleaseProcess/components/ServiceDetails.tsx
+++ b/src/components/pages/ServiceReleaseProcess/components/ServiceDetails.tsx
@@ -271,8 +271,12 @@ export default function ServiceDetails() {
                   body: [
                     [fetchServiceStatus?.providerUri],
                     [fetchServiceStatus?.contactEmail],
+<<<<<<< HEAD
                     // TODO: contactNumber is null atm and causing build failure. Once BE resolve the issue then will un-comment this line
                     // [fetchServiceStatus?.contactNumber],
+=======
+                    [fetchServiceStatus?.contactNumber],
+>>>>>>> e39c0f9e (new: introduced new field of customer contact in service)
                   ],
                 }}
                 horizontal={true}
diff --git a/src/types/Patterns.test.ts b/src/types/Patterns.test.ts
index de9938ad9..312272b52 100644
--- a/src/types/Patterns.test.ts
+++ b/src/types/Patterns.test.ts
@@ -71,8 +71,14 @@ const TESTDATA = {
     ],
   },
   PHONE: {
-    valid: ['+1 1234567890', '015208561328', '00491522345678'],
-    invalid: ['12345', '12345123aa'],
+    valid: [
+      '+1 123-456-7890',
+      '+49 152 08561111',
+      '+1 (123) 456-7890',
+      '0152 08561111',
+      '015208561111',
+    ],
+    invalid: ['+49 1520856', '+1 (12345) 7890', '+49 1234 567890123', '12345'],
   },
   DOMAIN: {
     valid: [
@@ -379,4 +385,12 @@ describe('Input Pattern Tests', () => {
       expect(isValidAppOverviewSearch(expr)).toBe(false)
     })
   })
+  it('validate phone number', () => {
+    TESTDATA.PHONE.valid.forEach((expr) => {
+      expect(isValidPhone(expr)).toBe(true)
+    })
+    TESTDATA.CLIENTID.invalid.forEach((expr) => {
+      expect(isValidPhone(expr)).toBe(false)
+    })
+  })
 })
diff --git a/src/types/Patterns.ts b/src/types/Patterns.ts
index 209a70913..13a272416 100644
--- a/src/types/Patterns.ts
+++ b/src/types/Patterns.ts
@@ -41,7 +41,7 @@ export const Patterns = {
   LABEL: /^[a-z0-9-_ ]{1,80}$/i,
   BPN: /^BPNL[0-9A-Z]{12}$/i,
   MAIL: /^(([^<>()[\]\\.,;:\s@"]+(\.[^<>()[\]\\.,;:\s@"]+)*))@(([a-z0-9-]+\.)+[a-z]{2,})$/,
-  PHONE: /^(\+|00)?(?:\d\s?){6,14}\d$/,
+  PHONE: /^(\+?\d{1,3}\s?)?(\(?\d{3}\)?[-.\s]?)?\d{3}[-.\s]?\d{4,7}$/,
   DOMAIN: new RegExp(`^${DOMAIN.source}$`, 'i'),
   PATH: new RegExp(`^${URLPATH.source}$`, 'i'),
   URL: urlPattern,